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Fibrohistiocytic Skin Tumors 101 (Australasian Dermatopathology Society 2022 meeting)
This lecture was presented virtually at the 2022 Australasian Dermatopathology Society Meeting.
Timestamps:
1:26 Dermatofibroma 101
12:31Cellular dermatofibroma
17:15 Large deep aneurysmal dermatofibroma
21:07 Dermatofibroma with scattered pleomorphism (“monster cells”) (note: this is NOT the same as atypical fibrous histiocytoma)
24:04 Lipidized dermatofibroma (ankle type DF)
26:03 CD34+ “Halo” around dermatofibroma (don’t confuse with DFSP!)
30:24 Factor XIIIa staining in dermatofibroma
34:37 Dermatofibrosarcoma protuberans (DFSP) 101
42:00 Fibrosarcomatous DFSP (FS-DFSP)
43:25 Acceptable uses of “fibrosarcoma” in modern pathology (hint: herringbone pattern is usually NOT fibrosarcoma!
46:35 Giant cell fibroblastoma (pediatric variant of DFSP)
50:16 Fibrous hamartoma of infancy
53:15 Not all honeycomb fat entrapment is DFSP! Tips for distinguishing DFSP vs mimics & Discussion of how/when I use FISH for DFSP
55:27 Myofibroma
59:59 Myofibroma with atypical features
01:01:18 Inclusion body fibromatosis
01:02:46 Giant cell tumor of tendon sheath (tenosynovial giant cell tumor, localized type)
01:08:14 Hemosiderin halos (ladybird cells) in giant cell tumor of tendon sheath
01:10:26 Nodular fasciitis
01:18:32 Juvenile xanthogranuloma (JXG)
01:21:58 Reticulohistiocytoma (solitary epithelioid histiocytoma) & Reticulohistiocytosis
01:24:24 Langerhans cell histiocytosis
01:25:23 Langerhans cell histiocytosis vs mastocytosis
01:27:00 Indeterminate cell histiocytosis
01:28:00 Rosai-Dorfman disease
01:32:03 Mycobacterial spindle cell pseudotumor
Resource details
| Contributed by: | Pathology Portal |
| Authored by: |
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| Licence: | © All rights reserved More information on licences |
| First contributed: | 13 March 2023 |
| Audience access level: | Full user |
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