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Home Pathology Portal Dermatopathology Introduction to Dermatopathology
Introduction to Dermatopathology
Pathology Portal

Video Tutorials

Cute Warty HAK (hypertrophic actinic keratosis) & squamous cell carcinoma (pathology histology) video

Type: Video - 3 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Angiofibroma (fibrous papule) with multinucleated giant cells pathology dermatopathology

Type: Video - 3 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Angiofibroma (fibrous papule) with multinucleated giant cells digital slide

Type: Video - 3 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tricky Nodular Kaposi Sarcoma - NO extravasated blood! Pathology dermatology dermatopathology video

Type: Video - 7 min 7 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

YIKES! Angiosarcoma hiding in a ruptured cyst! Sarcoma pathology dermatology dermatopathology video

Type: Video - 2 min 41 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Angiosarcoma hiding in a ruptured cyst! Digital slides

Type: Video - 7 min 15 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dedifferentiated Liposarcoma with Meningothelial Whorls - sarcoma pathology video

Type: Video - 8 min 8 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Lipoblastoma (benign fatty tumor in kids - can mimic myxoid liposarcoma) soft tissue pathology video

Type: Video - 5 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Sclerosing Epithelioid Fibrosarcoma (related to low grade fibromyxoid sarcoma) pathology

Type: Video - 7 min 15 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Deep Granuloma Annulare vs Rheumatoid Nodule (palisaded necrobiotic granuloma) pathology dermpath video

Type: Video - 7 min 35 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Systemic Amyloidosis on abdominal fat pad biopsy with Congo red stain (pathology dermatopathology) video

Type: Video - 7 min 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tumid lupus erythematosus (red firm skin plaques nodules on trunk) pathology dermpath video

Type: Video - 4 min 24 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Calcified pilomatrixoma under the microscope (mimic of osteoma cutis calcinosis cutis) dermpath video

Type: Video - 3 min 32 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Amyloid under the microscope (nodular vs systemic amyloidosis AL light chain) dermpath pathology

Type: Video - 5 min 49 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Amalgam "Tattoo" black spot in gums/gingiva from metal cavity filling (dermpath oral pathology)

Type: Video - 3 min 49 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Gelfoam in a dermatofibroma (pathology dermpath dermatology dermatopathology) video

Type: Video - 3 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Seborrheic Keratosis with keratin amyloid and amyloid P stain pathology dermpath dermatology

Type: Video - 7 min 7 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scleredema (firm hard thick skin on upper back) with colloidal iron mucin/myxoid stain

Type: Video - 7 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scrotal Calcinosis (Multiple Skin Bumps/Nodules on Scrotum)

Type: Video - 4 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Digital myxoid cyst (digital mucous cyst) - translucent skin bump/papule near fingernail

Type: Video - 4 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scar with injected steroids (Kenalog triamcinolone) pathology

Type: Video - 2 min 44 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Ganglion cyst under the microscope (synovial cyst; Baker's cyst) pathology

Type: Video - 7 min 50 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Focal cutaneous mucinosis (focal dermal mucinosis) pathology

Type: Video - 4 min 5 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nephrogenic systemic fibrosis from Gadolinium MRI contrast (pathology dermatology dermatopathology)

Type: Video - 4 min 19 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Macular amyloidosis (cutaneous keratin derived amyloid)

Type: Video - 10 min 51 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cutaneous Myxoma (superficial angiomyxoma) pathology

Type: Video - 5 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Gout in Bone (Toe Amputation for Gout plus possible osteomyelitis) pathology podiatry orthopaedics

Type: Video - 7 min 7 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Monsel’s Solution "Tattoo" (causing Skin Hyperpigmentation at Biopsy Site)

Type: Video - 6 min 53 sec
Not yet rated
Authored by Jerad`Gardner, Geisinger, @JMGardnerMD

Pretibial Myxedema (thyroid dermopathy of Graves disease hyperthyroidism)

Type: Video - 5 min 21 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Oxalate (Oxalic Acid) Crystals Under the Microscope (cutaneous oxalosis)

Type: Video - 3 min 13 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Morphea skin disease (localized scleroderma) histology pathology

Type: Video - 7 min 3 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scleromyxedema (with colloidal iron stain) pathology

Type: Video - 9 min 13 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Zinc/Vitamin Deficiency (acrodermatitis enteropathica, pellagra, & necrolytic migratory erythema)

Type: Video - 6 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Ochronosis (dark skin pigmentation caused by hydroquinone skin lightening cream or alkaptonuria)

Type: Video - 3 min 31 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Subepidermal Calcified Nodule (eyelid face skin bump in kids - a type of calcinosis cutis)

Type: Video - 1 min 50 sec
Not yet rated
Authored by Jerad Gardner M.D., @JMGardnerMD

Mucocele (Bump on Lip from ruptured salivary gland/duct) oral pathology dermpath

Type: Video - 5 min 4 sec
Not yet rated
Authored by Jerad Gardner M.D., @JMGardnerMD

Argyria (blue skin from colloidal silver) under the microscope (pathology dermpath dermatology)

Type: Video - 5 min 26 sec
Not yet rated
Authored by Jerad Gardner M.D., @JMGardnerMD

What's that Pink Stuff??? Lipoid proteinosis vs Amyloidosis vs Colloid Milium (dermpath pathology)

Type: Video - 9 min 15 sec
Not yet rated
Authored by Jerad Gardner M.D., @JMGardnerMD

Nerve vs Smooth Muscle Histology (fasicles of pink spindle cells) video

Type: Video - 5 min 7 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Paraganglioma under the microscope (carotid body paraganglioma) pathology video

Type: Video - 9 min 44 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Synovial Chondromatosis (cartilage nodules in joint synovium) video

Type: Video - 5 min 26 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Lipoma arborescens (synovial lipomatosis) - benign polypoid fat mass in joint space (pathology) video

Type: Video - 4 min 16 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Solitary bone cyst aka Unicameral bone cyst [UBC] aka Simple bone cyst (pathology orthopedics) video

Type: Video - 8 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Traumatic Neuroma & Peripheral Nerve Histology Discussion (short video)

Type: Video - 6 min 8 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Lipidized Dermatofibroma plus Tattoo (video)

Type: Video - 5 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

"Ancient" Schwannoma (with benign degenerative atypia/pleomorphism) video

Type: Video - 11 min 52 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Atypical Fibrous Histiocytoma (atypical dermatofibroma): a mimic of sarcoma (video)

Type: Video - 9 min 50 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Epithelioid fibrous histiocytoma (EFH) an ALK-1 positive spindle cell tumor (pathology dermatology) video

Type: Video - 13 min 27 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Atypical fibrous histiocytoma (atypical dermatofibroma) (WSI digital slide)

Type: Video - 1 hr 17 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Soft Tissue Pathology (epithelioid fibrous histiocytoma ALK-1, atypical FH, paraganglioma, and more) video

Type: Video - 1 hr 17 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Vascular Tumors of Skin (31 cases in 3 hours): Board Review for Pathology Dermatology Dermpath (video)

Type: Video - 2 hr 46 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Radiation-associated Angiosarcoma & post radiation therapy reactive changes (short video)

Type: Video - 6 min 25 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Vascular malformation under the microscope (aka cavernous hemangioma) short video

Type: Video - 6 min 49 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Microvenular hemangioma (potential mimic of Kaposi sarcoma) short video

Type: Video - 4 min 18 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Temporal arteritis (giant cell arteritis) under the microscope (headache, jaw pain, vision problems = emergency!) video

Type: Video - 4 min 12 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Venous Lake under the microscope (video)

Type: Video - 2 min 58 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Superficial angiomyxoma (cutaneous myxoma) video

Type: Video - 11 min 22 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Spindle cell hemangioma (video)

Type: Video - 10 min 7 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pilomatrixoma under the microscope (with calcification & metaplastic bone ossification) short video

Type: Video - 7 min 29 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Venous Insufficiency under the microscope (vascular stasis changes) short video

Type: Video - 3 min 39 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Solar purpura (purple bruise like areas on elderly sun damaged skin) short video

Type: Video - 3 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nodular stage Kaposi sarcoma (short video)

Type: Video - 8 min 49 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tufted angioma/Kaposiform Hemangioendothelioma (short video)

Type: Video - 5 min 36 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Targetoid hemosiderotic hemangioma (hobnail hemangioma) short video

Type: Video - 7 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

What is hobnail??? Vascular tumor basics short video

Type: Video - 1 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

10 Classic Head & Neck Dermatopathology Unknown Cases (video)

Type: Video - 1 hr 22 min
5 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

"Ancient" Schwannoma (benign degenerative nuclear atypia and pleomorphism)

Type: Video - 14 min 25 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

"Wolverine sign" clue for foreign body granuloma (silica in this case) video

Type: Video - 12 min 25 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

"Ankle type" DF (lipidized dermatofibroma)

Type: Video - 2 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Acquired digital fibrokeratoma

Type: Video - 4 min 22 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Accessory Nipple: Dermpath in 5 Minutes (video)

Type: Video - 1 min 11 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

All That Is Honeycomb Pattern Is Not DFSP! Tips, Tricks, & when to use FISH (Pathology Dermatopathology)

Type: Video - 2 min 15 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

AFX (atypical fibroxanthoma) & PDS (pleomorphic dermal sarcoma)

Type: Video - 9 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Alveolar rhabdomyosarcoma in skin mimicking Merkel cell carcinoma

Type: Video - 13 min 45 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Aluminium chloride (drysol) deposition at prior biopsy site scar

Type: Video - 7 min 13 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Amyloidosis (nodular vs systemic) (AL light chain type amyloid)

Type: Video - 6 min 15 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Aneurysmal dermatofibroma (dermatofibroma with internal haemorrhage)

Type: Video - 5 min 37 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Angiofibroma (fibrous papule): clinical mimic of basal cell carcinoma

Type: Video - 1 min 23 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Angiokeratoma (short video)

Type: Video - 3 min 57 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Angioleiomyoma (leiomyoma, vascular type) painful skin bump often on leg (short video)

Type: Video - 4 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Angiomatoid fibrous histiocytoma

Type: Video - 13 min 19 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Angiosarcoma under the microscope (explained in 5 minutes) short video

Type: Video - 6 min 3 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

"Arteriovenous" Hemangioma (short video)

Type: Video - 2 min 28 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Atrophie blanche (livedoid vasculopathy)

Type: Video - 4 min 16 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Atypical cellular neurothekeoma

Type: Video - 16 min 15 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Atypical Mycobacteria Infection (non-leprosy, non-tuberculosis AFB) with Stellate Abscess & Granuloma: 5-Minute Pathology Pearls video

Type: Video - 3 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Axillary Granular Parakeratosis: 5-Minute Pathology Pearls

Type: Video - 53 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Bacterial & Fungal Infections: Dermpath Board review video

Type: Video - 1 hr 15 min
Not yet rated
Authored by Dr Jerad Gardner, Geisinger, Dermatopathologist and soft tissue pathologist

Basic Dermpath Cases 1

Type: Video - 59 min 58 sec
4 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Basic Dermpath Cases 2

Type: Video - 47 min
4 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Basic Dermpath Cases 3

Type: Video - 40 min 9 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Basic Dermpath Cases 4

Type: Video - 40 min 55 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Basic Dermpath Cases 5

Type: Video - 47 min 39 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

BCC Escaping! Basal cell carcinoma falling out of tissue section (due to cleft artifact)

Type: Video - 2 min 23 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Bednar tumour dermatofibrosarcoma protuberans (DFSP with melanin pigment)

Type: Video - 2 min 12 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Beware the CD34 Halo in dermatofibroma (not DFSP)

Type: Video - 8 min 24 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Bite fibroma in mouth (aka irritation fibroma/oral fibroma)

Type: Video - 1 min 35 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Blue Nevus

Type: Video - 4 min 30 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Botfly larva (fly maggot) in skin (myiasis pathology dermpath dermatology dermatopathology)

Type: Video - 3 min 35 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Botfly (fly larva/maggot in skin) dermatobia hominis tropical parasite myiasis pathology

Type: Video - 2 min 21 sec
5 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Botfly under the microscope (dermatobia hominis larva skin biopsy)

Type: Video - 5 min 9 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Bowenoid papulosis (HSIL high grade squamous intraepithelial lesion high risk HPV dermpath)

Type: Video - 3 min 56 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Branchial Cleft Cyst: 5-Minute Pathology Pearls (video)

Type: Video - 1 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Bronchogenic Cyst: 5-Minute Pathology Pearls (video)

Type: Video - 1 min 36 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Bug bite under the microscope aka "arthropod assault" (patient had scabies)

Type: Video - 46 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Bullous Impetigo vs Staphylococcal Scalded Skin (SSSS): 5-Minute Pathology Pearls video

Type: Video - 6 min 32 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Calcifying aponeurotic fibroma: rare benign hand/foot tumor in a child (soft tissue pathology)

Type: Video - 4 min 12 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Calciphylaxis (deadly complication of chronic kidney disease renal failure)

Type: Video - 3 min 5 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Calciphylaxis (complication of ESRD chronic kidney disease)

Type: Video - 8 min 34 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cat Scratch Disease (Bartonella henselae): 5-Minute Pathology Pearls video

Type: Video - 3 min 25 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cellular Dermatofibroma & Aneurysmal Dermatofibroma 101

Type: Video - 8 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cholesterol emboli - artery blocked by detached fragment of atherosclerosis plaque

Type: Video - 3 min 37 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Candida Yeast Infection of Skin (Candidiasis) 5-Minute Pathology Pearls Dermatology Dermatopathology video

Type: Video - 4 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Chronic sun/tanning skin damage seen under the microscope (skin wrinkles solar elastosis dermatology) video

Type: Video - 2 min 27 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Chromoblastomycosis (Dematiaceous Fungus): 5-Minute Pathology Pearls (video)

Type: Video - 3 min 33 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Churg-Strauss syndrome (eosinophilic granulomatosis with polyangiitis EGPA vasculitis) pathology

Type: Video - 4 min 28 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Clear cell acanthoma

Type: Video - 2 min 56 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Clonal Seborrheic Keratosis (Borst–Jadassohn Phenomenon): 5-Minute Pathology Pearls (video)

Type: Video - 1 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

CMV cytomegalovirus infection in skin ulcer

Type: Video - 2 min 19 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

CNH (Chondrodermatitis nodularis helicis)

Type: Video - 33 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

CNH: Chondrodermatitis Nodularis Helicis (Dermatology Mimic of Squamous Cell Carcinoma of Ear) video

Type: Video - 6 min 37 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Condyloma Lata (Syphilis): 5-Minute Pathology Pearls video

Type: Video - 3 min 41 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Crazy Mast Cells with Non-specific Immunostaining: 5-Minute Pathology Pearls

Type: Video - 5 min 58 sec
Not yet rated
Authored by Jared Gardner, Geisinger, @JMGardnerMD

Condyloma acuminatum

Type: Video - 3 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cryoglobulinemia type 1

Type: Video - 3 min 12 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cutaneous Ciliated Cyst: 5-Minute Pathology Pearls (video)

Type: Video - 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cutaneous Hemepath 101

Type: Video - 1 hr 12 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cutaneous Horn: Everything You Need to Know (video)

Type: Video - 18 min 35 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cutaneous Myxoma (superficial angiomyxoma)

Type: Video - 6 min 44 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cutaneous Soft Tissue Dermpath Unknown Cases for Emory Dermatology

Type: Video - 58 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cystic Molluscum: 5-Minute Pathology Pearls (video)

Type: Video - 1 min 9 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Cylindroma

Type: Video - 1 min 27 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatofibroma 101

Type: Video - 33 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatofibroma 101 video

Type: Video - 36 min 8 sec
5 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dedifferentiated spindle cell melanoma with osteosarcoma & chondrosarcoma heterologous differentiation

Type: Video - 10 min 41 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatofibroma with basaloid follicular induction

Type: Video - 3 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatofibroma with "monster cells" (scary name, benign tumour)

Type: Video - 3 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatofibroma with basaloid follicular induction (mimic of basal cell carcinoma)

Type: Video - 3 min 25 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatofibroma with hemosiderin laden Touton giant cells

Type: Video - 10 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatofibroma with induction phenomenon

Type: Video - 4 min 22 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatology Emergencies Every Pathologist Should Know

Type: Video - 1 hr 27 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatomyofibroma vs fibroblastic connective tissue nevus (mimic of DFSP)

Type: Video - 4 min 59 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatopathology Board Review for Dermatology Pathology Dermpath (19 Classic Cases) video

Type: Video - 1 hr 13 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatopathology Pearls for Head & Neck / Oral & Maxillofacial Pathologists

Type: Video - 1 hr 18 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatopathology Pearls for Head & Neck / Oral & Maxillofacial Pathologists video

Type: Video - 1 hr 18 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermoid Cyst: 5-Minute Pathology Pearls (video)

Type: Video - 1 min 30 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermatopathology Unknown Cases (for Stony Brook Dermatology Residents) video

Type: Video - 56 min 36 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermpath Board Review: Hyaluronic Acid Filler, Trichoblastoma, Blue Nevus, Lupus & More

Type: Video - 1 hr 13 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermpath Board Review: Pemphigus, Tattoo, Tick, Mycosis Fungoides, Keloid, Langerhans Histiocytosis and more

Type: Video - 1 hr 21 min
Not yet rated
Authored by Jared Gardner, Geisinger, JMGardnerMD

Dermpath Clues: Acute Ischemia in Skin (video)

Type: Video - 3 min 36 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermpath misdiagnosis pitfall! Patch Stage Kaposi sarcoma (video)

Type: Video - 8 min 57 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermpath Pearls & Pitfalls for General Surgical Pathologists

Type: Video - 48 min 19 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermpath Slide Session with the Mayo Clinic Pathology & Dermatology Residents

Type: Video - 58 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, Dermatopathologist / Soft tissue pathologist

Dermpath Soft Tissue Pathology Cases for Australasian Dermatopathology Society 2022 meeting

Type: Video - 49 min 11 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dermpath Soft Tissue Unknowns - 12 Cases for Australasian Dermatopathology Society 2022

Type: Video - 2 hr 7 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Desmoplastic Trichoepithelioma (with perineural involvement!) video

Type: Video - 9 min 11 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

DFSP (dermatofibrosarcoma) with perfect storiform pattern

Type: Video - 13 min 55 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

DFSP 101 (dermatofibrosarcoma protuberans - sarcoma that mimics cyst lipoma scar)

Type: Video - 15 min 17 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

DFSP mimicking dermatofibroma (dermatofibrosarcoma protuberans with epidermal induction & collagen trapping)

Type: Video - 3 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Digital Mucous Cyst vs Ganglion Cyst: 5-Minute Pathology Pearls (video)

Type: Video - 1 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Diffuse neurofibroma in neurofibromatosis NF1 (round nuclei & tiger stripe pattern & Wagner Meissner bodies)

Type: Video - 6 min 29 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Digital mucous cyst (Digital myxoid cyst) similar to ganglion cyst

Type: Video - 4 min 34 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dysplasia in lichen sclerosus (differentiated vulvar intraepithelial neoplasia dVIN)

Type: Video - 7 min 32 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Discoid Lupus Erythematosus

Type: Video - 5 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Dysplastic Nevus Explained in less than 5 Minutes (video)

Type: Video - 3 min 33 sec
4 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Ecthyma Gangrenosum (Pseudomonas aeruginosa) 5-Minute Pathology Pearls Dermatology Dermatopathology video

Type: Video - 2 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

EED (Erythema elevatum diutinum) fibrosing vasculitis (short video)

Type: Video - 4 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

"EHKoma" (epidermolytic hyperkeratotic acanthoma - solitary lesion of epidermolytic hyperkeratosis)

Type: Video - 2 min 30 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Elastofibroma dorsi (mass under scapula tip with beaded elastic fibres)

Type: Video - 3 min 28 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Epidermodysplasia Verruciformis (EDV) variant of flat wart verruca plana

Type: Video - 4 min 12 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Epithelioid angiosarcoma (CD34 negative)

Type: Video - 9 min 35 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Epithelioid fibrous histiocytoma (benign ALK1+ skin tumour; ALK gene fusion)

Type: Video - 4 min 13 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Epithelioid fibrous histiocytoma with signet ring & xanthomatous cells video

Type: Video - 8 min 5 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Epithelioid hemangioma/angiolymphoid hyperplasia with eosinophilia (ALHE)

Type: Video - 11 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Epithelioid hemangioma (angiolymphoid hyperplasia with eosinophilia; ALHE) short video

Type: Video - 5 min 20 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Epithelioid hemangioendothelioma (EHE)

Type: Video - 9 min 16 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pyogenic granuloma (lobular capillary hemangioma) (short video)

Type: Video - 3 min 6 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Polypoid Dermatofibroma, aneurysmal type (aka sclerosing "hemangioma”) short video

Type: Video - 5 min 28 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Mucin/Myxoid change around sweat glands/eccrine coils: what does it mean? (short video)

Type: Video - 2 min 35 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Erythema Induratum/Nodular Vasculitis

Type: Video - 3 min 57 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Erythrasma (Corynebacterium minutissimum): 5-Minute Pathology Pearls Dermatopathology Dermatology video

Type: Video - 4 min 41 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Erythema nodosum panniculitis

Type: Video - 3 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Ewing sarcoma arising in skin

Type: Video - 9 min 13 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Erythema nodosum leprosum (a vasculitic reaction to leprosy)

Type: Video - 3 min 25 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Exogenous Ochronosis (possible side effect of hydroquinone skin lightening cream) same pathology as alkaptonuria

Type: Video - 2 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fibrin Thrombus (short video)

Type: Video - 3 min 11 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fibrohistiocytic Dermpath Basics - dermatofibroma & mimics

Type: Video - 1 hr 41 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fibrohistiocytic Skin Tumors 101 (Australasian Dermatopathology Society 2022 meeting)

Type: Video - 1 hr 38 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fibrosarcoma & Herringbone Pattern Explained in 5 Minutes

Type: Video - 3 min 8 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fibrous hamartoma of infancy

Type: Video - 2 min 33 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fibroma of tendon sheath (explained in 5 minutes) video

Type: Video - 6 min 45 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fibrous hamartoma of infancy explained in 5 minutes

Type: Video - 5 min 14 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fibrous papule (angiofibroma): skin bump on nose mimic of basal cell carcinoma

Type: Video - 5 min 14 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Focal cutaneous mucinosis (focal dermal mucinosis)

Type: Video - 3 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Follicular mucinosis & folliculotropic mycosis fungoides (cutaneous T-cell lymphoma) short video

Type: Video - 5 min 27 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Fournier gangrene: acute necrotic scrotum infection (pathology dermatology dermpath urology) video

Type: Video - 5 min 11 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Flat wart under the microscope (verruca plana)

Type: Video - 5 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

FS-DFSP with PDGFD fusion (fibrosarcomatous dermatofibrosarcoma protuberans)

Type: Video - 8 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

FS-DFSP (fibrosarcomatous dermatofibrosarcoma protuberans)

Type: Video - 3 min 8 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Gelfoam in skin

Type: Video - 2 min 31 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Genital warts under the microscope (Condyloma HPV pathology dermpath dermatology dermatopathology)

Type: Video - 4 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Giant cell arteritis/Temporal arteritis (headaches jaw pain vision loss)

Type: Video - 5 min 32 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Giant cell arteritis (temporal arteritis)

Type: Video - 4 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Giant cell tumor of tendon sheath 101 pathology

Type: Video - 7 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Giant cell fibroblastoma (paediatric variant of dermatofibrosarcoma protuberans - DFSP)

Type: Video - 3 min 18 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Glomangioma/Glomuvenous Malformation (glomus tumor with lots of vessels) short video

Type: Video - 3 min 34 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Glomeruloid hemangioma (classic vascular tumor in POEMS syndrome) short video

Type: Video - 1 min 56 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Glomus tumor (short video)

Type: Video - 4 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Glomus tumour with oncocytic & clear cell change mimic skin adnexal tumour

Type: Video - 8 min 15 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Giant cell tumour of tendon sheath

Type: Video - 3 min 8 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Granuloma annulare (video)

Type: Video - 11 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Gout (gouty tophus)

Type: Video - 4 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Gout crystals fixed in ethanol (monosodium urate uric acid gouty tophus birefringent needle shaped) (short video)

Type: Video - 13 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Hailey-Hailey Disease ("benign familial pemphigus") erosive blistering disease of groin and axillae

Type: Video - 6 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Keratin Amyloid (Lichen amyloid vs Macular amyloidosis) (NOT systemic amyloidosis)

Type: Video - 2 min 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Gout & Pseudogout (calcium pyrophosphate deposition disease - chondrocalcinosis)

Type: Video - 6 min 5 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Granuloma faciale (with EED/erythema elevatum diutinum-like fibrosis)

Type: Video - 1 min 50 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Hand foot and mouth disease (HFMD Coxsackievirus)

Type: Video - 4 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Herpes (acantholytic blister with neutrophil pustule)

Type: Video - 3 min 22 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Herpes Hair Follicle Infection (Herpetic Folliculitis) with follicle and sebaceous gland necrosis

Type: Video - 5 min 23 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Hemosiderin Halos / Ladybird Cells in Giant Cell Tumor of Tendon Sheath

Type: Video - 2 min 15 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Hibernoma (benign brown fat tumor) video

Type: Video - 7 min 3 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Hidradenitis suppurativa

Type: Video - 2 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Hidradenoma (Acrospiroma) short video

Type: Video - 6 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Hidrocystoma: 5-Minute Pathology Pearls

Type: Video - 3 min 30 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

How sunburn looks under the microscope (sunburn cells in a solar lentigo) video

Type: Video - 3 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

How to diagnose a rash on skin biopsy (basic approach – short video)

Type: Video - 7 min 14 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

How to examine skin cancer excision specimen after biopsy (to evaluate for residual tumour)

Type: Video - 1 min 36 sec
4 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Hypertrophic scar under the microscope with injected kenalog steroid

Type: Video - 6 min 22 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Immunohistochemistry in Normal Skin: Cytokeratins

Type: Video - 19 min 46 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, Dermatopathologist / Soft tissue pathologist

Immunohistochemistry in Normal Skin: p63, EMA, desmin, SMA, CD34, Factor XIIIa

Type: Video - 20 min 15 sec
Not yet rated
Authored by Jared Gardner, Geisinger, @JMGardnerMD

Infantile digital fibroma (inclusion body fibromatosis)

Type: Video - 3 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Inclusion Body Fibromatosis (Infantile Digital Fibroma/Fibromatosis) in 5 Minutes

Type: Video - 1 min 31 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Infantile hemangioma ("Strawberry birthmark") under the microscope (short video)

Type: Video - 5 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Inflamed seborrheic keratosis with keratin amyloid

Type: Video - 5 min 15 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Intraneural epithelioid MPNST (malignant peripheral nerve sheath tumour)

Type: Video - 9 min 17 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Irritated Seborrheic Keratosis (squamous eddies): 5-Minute Pathology Pearls

Type: Video - 2 min 7 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Ischemic fasciitis (atypical decubital fibroplasia) video

Type: Video - 8 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Juvenile xanthogranuloma WITHOUT Touton giant cells (JXG sans Touton)

Type: Video - 5 min 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Kaposi sarcoma, nodular/tumour stage

Type: Video - 1 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Kaposiform Hemangioendothelioma & Tufted Angioma

Type: Video - 9 min 39 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Keloid under the microscope

Type: Video - 2 min 2 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Keratin amyloid (NOT systemic amyloidosis/light chain AL amyloid!) video

Type: Video - 3 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Keratin Pearl (SCC) vs Horn Pseudocyst (SK) video

Type: Video - 11 min 34 sec
5 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Leishmaniasis (Leishmania Infection) 5-Minute Pathology Pearls ‪Dermatology Dermatopathology video

Type: Video - 3 min 50 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Lepromatous Leprosy: 5-Minute Pathology Pearls Dermatology Dermatopathology video

Type: Video - 2 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Lichen sclerosus with epidermotropism (mimic of mycosis fungoides)

Type: Video - 6 min 8 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Lymphangioma (Lymphatic Malformation) short video

Type: Video - 5 min 56 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Macular amyloid (keratin derived amyloid - NOT systemic amyloidosis)

Type: Video - 7 min 57 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Masson "Tumor” (Intravascular papillary endothelial hyperplasia IPEH) pattern of organizing thrombus (video)

Type: Video - 5 min 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Masson "Tumor" (organizing thrombus & papillary endothelial hyperplasia in a vascular malformation) video

Type: Video - 7 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Median Raphe Cyst: 5-Minute Pathology Pearls (video)

Type: Video - 3 min 36 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Melanocytes vs Keratinocytes Made Easy: 5-Minute Pathology Pearls

Type: Video - 7 min 18 sec
Not yet rated
Authored by Jared Gardner, Geisinger, @JMGardnerMD

Melanocytic Dermpath Basics: Benign Nevus 101 (video)

Type: Video - 1 hr 15 min
5 out of 5 (2 ratings)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Metabolic/Deposition Diseases of Skin & Mimics: Board Review for Dermpath Dermatology Pathology

Type: Video - 2 hr 8 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Melanocytic Dermpath Basics: Immunohistochemistry

Type: Video - 1 hr 23 min
3.5 out of 5 (2 ratings)
Authored by Jerad Gardner, Geisinger, Dermpath/Sarcoma Pathologist

Molecular Testing Basics explained in 15 minutes (video)

Type: Video - 15 min 24 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Molluscum "Cyst"

Type: Video - 4 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Monckeberg medial calcific sclerosis (blood vessel calcification - not calciphylaxis)

Type: Video - 3 min 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Mucocele of Lip (Mucous Extravasation Phenomenon): 5-Minute Pathology Pearls

Type: Video - 1 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Myofibroblasts vs Smooth Muscle Made Easy

Type: Video - 1 min 52 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, Dermpath/Sarcoma Pathologist

Myofibroma 101 explained in 5 minutes

Type: Video - 5 min 55 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Myofibroma under the microscope

Type: Video - 5 min 42 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Myopericytoma vs Angioleiomyoma

Type: Video - 3 min 29 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Myrmecia Wart (verruca myrmecia type)

Type: Video - 5 min 12 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Necrotizing Fasciitis "Flesh Eating Bacteria" Group A Streptococcus Under the Microscope Pathology video

Type: Video - 4 min 17 sec
4 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nerve vs Smooth Muscle vs Dense Regular Connective Tissue (tendon fascia ligament) Histology Anatomy video

Type: Video - 9 min 3 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nocardia Infection: Gram-positive, Partially Acid Fast, Aerobic, Filamentous Bacteria video

Type: Video - 51 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nodular Amyloidosis (AL light chain amyloidosis in skin)

Type: Video - 2 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nodular fasciitis

Type: Video - 6 min 12 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nodular fasciitis 101 - tips & tricks for diagnosis

Type: Video - 8 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nodular Fasciitis Tips & Tricks: 5-Minute Pathology Pearls video

Type: Video - 5 min 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Nodular fasciitis with intravascular "invasion" (video)

Type: Video - 7 min 51 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Normal skin histology 101 video

Type: Video - 1 hr 14 min
5 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Onchocerciasis (Onchocercoma - tangled mass of Onchocerca worms with paired uteri & microfilariae)

Type: Video - 6 min 30 sec
5 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Orf (ecthyma contagiosum/skin virus disease from sheep)

Type: Video - 8 min 49 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Palisaded Encapsulated Neuroma vs Schwannoma explained in 5 minutes

Type: Video - 5 min 35 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pemphigus foliaceus (autoimmune skin blister immunobullous disease in pemphigus vulgaris family)

Type: Video - 3 min 3 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Perniosis/Chilblains (one cause of blue/purple fingers and toes in cold weather)

Type: Video - 58 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pigmented Purpuric Dermatosis (Schamberg disease, lichen aureus, etc)

Type: Video - 2 min 36 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pilonidal cyst/sinus/tract: 5-Minute Pathology Pearls (video)

Type: Video - 2 min 36 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pitted Keratolysis (Corynebacterium Skin Infection of Feet): 5-Minute Pathology Pearls Dermatology video

Type: Video - 1 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pityriasis Versicolor/Tinea Versicolor 101: Malassezia/Pityrosporum Fungus Skin Infection video

Type: Video - 13 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Polyarteritis Nodosa

Type: Video - 2 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Porokeratosis Ptychotropica: 5-Minute Pathology Pearls (video)

Type: Video - 1 min 30 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pleomorphic fibroma (looks like skin tag but relative of spindle cell/pleomorphic lipoma)

Type: Video - 5 min 16 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Post-traumatic fat necrosis (encapsulated subcutaneous fat necrosis)

Type: Video - 3 min 52 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pretibial myxedema (Graves disease thyroid dermopathy) (NOT scleredema or scleromyxedema)

Type: Video - 5 min 19 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Proliferative Myositis / Proliferative Fasciitis (an important pseudo-sarcoma all pathologists should know!) video

Type: Video - 7 min 33 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Pseudomyogenic hemangioendothelioma (a mimic of epithelioid sarcoma)

Type: Video - 10 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Random Dermpath Cases (tick mouthparts, Masson, Pinkus, Fournier gangrene, etc) video

Type: Video - 1 hr 11 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Rash got WORSE with topical steroids? Check for fungus! (tinea incognito) Dermatology Tips (video)

Type: Video - 1 min 30 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Reaction to Skin Fillers (Hyaluronic acid lip filler with palisaded granuloma reaction)

Type: Video - 8 min 10 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Rosai Dorfman Disease (mimicking "inflammatory pseudotumor") video

Type: Video - 9 min 43 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scabies poop (scybala) - a microscopic clue for scabies

Type: Video - 3 min 32 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scar & biopsy site change

Type: Video - 7 min 56 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scleredema (NOT pretibial myxedema or scleromyxedema)

Type: Video - 4 min 27 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scleromyxedema (lichen myxedematosus) (NOT pretibial myxedema or scleromyxedema)

Type: Video - 4 min 19 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Sclerotic fibroma aka plywood fibroma aka storiform collagenoma (swirling collagen with cracking artifact)

Type: Video - 2 min 58 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Sclerotic fibroma (storiform collagenoma/plywood fibroma)

Type: Video - 3 min 26 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Scrotal calcinosis (calcinosis cutis of scrotum)

Type: Video - 3 min 41 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Seborrheic Keratosis 101 video: 5-Minute Pathology Pearls

Type: Video - 6 min 44 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Shingles under the microscope (Varicella Zoster Herpes virus Chickenpox VZV pathology dermatology)

Type: Video - 2 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Skin Histology: Acral Skin (aka glabrous skin of palm of hand & sole of foot) video

Type: Video - 9 min 45 sec
5 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Skin Histology: Blood Vessel vs Gland vs Artifact

Type: Video - 2 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, Dermpath/Sarcoma Pathologist

Skin Histology: DERMIS (the Epidermis can't live without it!) video

Type: Video - 11 min 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Skin Histology: Epidermis Layers (stratum basale, spinosum, granulosum, lucidum & corneum) video

Type: Video - 16 min 22 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Skin Histology: Immunohistochemistry Basics (for Dermatology Histotechnologist Dermpath Pathology) video

Type: Video - 6 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Skin Histology: Meissner Corpuscle (tactile corpuscle) video

Type: Video - 2 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Soft Tissue Pathology (epithelioid fibrous histiocytoma ALK-1, atypical FH, paraganglioma, and more) video

Type: Video - 1 hr 17 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Solar Elastosis: 5-Minute Pathology Pearls (video)

Type: Video - 51 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Solar Lentigo vs Junctional Nevus (plus sun burn cells & large cell acanthoma) video

Type: Video - 9 min 41 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Solar purpura (bruising on arms and hands of the elderly due to sun damage)

Type: Video - 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Squamous cell carcinoma in situ (Bowen's disease) with massive pleomorphism

Type: Video - 1 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Steroid injection under the microscope (kenalog with giant cell reaction in hypertrophic scar)

Type: Video - 3 min 44 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Subepidermal calcified nodule (calcium eyelid bump in kids)

Type: Video - 1 min 26 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Subungual acral lentiginous melanoma in situ

Type: Video - 2 min 13 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Subungual crusted scabies (scabies under the fingernail)

Type: Video - 3 min 25 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Verrucous Hemangioma (short video)

Type: Video - 4 min 8 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Superficial and/or deep perivascular pattern

Type: Video - 2 min 36 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Superficial thrombophlebitis

Type: Video - 2 min 35 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Sweat glands under microscope (skin adnexa histology anatomy eccrine apocrine sebaceous hair) video

Type: Video - 21 min 29 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Sweet syndrome explained in 5 minutes

Type: Video - 5 min 20 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Syphilis: Spirochete Immunostain vs Steiner & Warthin-Starry Silver Stains 5-Minute Pathology Pearls video

Type: Video - 1 min 48 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tick bite close up under microscope (tick embedded in skin with vasculitis)

Type: Video - 2 min 54 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tick bite under the microscope (tick mouthparts in skin)

Type: Video - 3 min 50 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tick Bite...under the microscope (tick mouthparts stuck in skin) video

Type: Video - 7 min 16 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tick head & body under the microscopic (Tick Microscopic Anatomy & Histology)

Type: Video - 3 min 26 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tinea capitis (dermatophyte fungus in hair follicles endothrix ectothrix patterns)

Type: Video - 4 min 24 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tinea Nigra: Black Mold Skin Infection (Dematiaceous Pigmented Fungus) 5-Minute Pathology Pearls video

Type: Video - 1 min 37 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tinea Versicolor/Pityriasis Versicolor (Malassezia aka Pityrosporum Skin Infection) 5-Minute Pathology Pearls video

Type: Video - 2 min 56 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tinea/Dermatophyte Fungal Skin Infection: 5-Minute Pathology Pearls video

Type: Video - 7 min 53 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tinea/dermatophytosis with fungal folliculitis (discussion of Majocchi granuloma & tinea incognito) video

Type: Video - 10 min 40 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tonsil Actinomyces: 5-Minute Pathology Pearls video

Type: Video - 4 min 32 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Trichilemmal Cyst/Pilar Cyst: 5-Minute Pathology Pearls (video)

Type: Video - 3 min 37 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Trichoblastoma

Type: Video - 6 min 47 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tuberculoid Leprosy (Hansen disease): 5-Minute Pathology Pearls Dermatology Dermatopathology video

Type: Video - 4 min 57 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tuberous xanthoma

Type: Video - 1 min 57 sec
4 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Tumid lupus erythematosus

Type: Video - 5 min 38 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Urticaria

Type: Video - 4 min 20 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Urticaria (short video)

Type: Video - 1 min 50 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Venous stasis vascular change

Type: Video - 3 min 9 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Verruca Plana (Flat Wart): 5-Minute Pathology Pearls video

Type: Video - 1 min 39 sec
5 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Verruca Vulgaris vs Seborrheic Keratosis: 5 Minute Pathology Pearls video

Type: Video - 6 min 43 sec
5 out of 5 (2 ratings)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Verruciform xanthoma (looks like a "wart on fire" with foamy cells in dermis)

Type: Video - 1 min 46 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Verrucous carcinoma (not caused by HPV)

Type: Video - 7 min 6 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Verrucous cyst (benign cyst with HPV infection)

Type: Video - 2 min 50 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Verrucous Cyst: 5-Minute Pathology Pearls (video)

Type: Video - 43 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Viral Infections of Skin & Mimics: Board Review for Dermpath Dermatology Pathology

Type: Video - 1 hr 48 min
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

VZV Varicella Zoster Herpes

Type: Video - 5 min 53 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Wart with cutaneous horn (verruca wart under the microscope pathology dermpath dermatology)

Type: Video - 3 min 1 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Warty Dyskeratoma

Type: Video - 1 min 13 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Wells syndrome (eosinophilic cellulitis) with flame figures

Type: Video - 3 min 13 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

What contaminated cocaine does to skin (Levamisole Vasculopathy)

Type: Video - 3 min 33 sec
3 out of 5 (1 rating)
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

What is Botryomycosis? Hint: it's not fungus! 5-Minute Pathology Pearls Dermatology Dermpath video

Type: Video - 2 min 29 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Where are the Verocay bodies?! Recognizing subtle nuclear palisading in schwannoma

Type: Video - 2 min 21 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Xanthelasma (xanthoma of eyelid)

Type: Video - 2 min 41 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD

Yeast Skin Fungus (Malassezia/Pityrosporum incidental on surface of nevi, actinic keratosis, seborrheic keratosis, etc - NOT yeast infection) video

Type: Video - 3 min 41 sec
Not yet rated
Authored by Jerad Gardner, Geisinger, @JMGardnerMD