A recording of a rapid fire fundamental level dermpath session for my awesome dermatology and pathology residents. Slide set courtesy of my colleague and friend, Dr. Tammie Ferringer.
List of entities discussed (click timestamp to go to that part of video):
“Wolverine sign”: Clue for Foreign body granuloma (silica in this case) 0:00
Coccidiodomycosis (Coccidioides immitis) with pseudoepitheliomatous hyperplasia 3:00
Necrobiotic xanthogranuloma (NXG) 7:20
Eruptive xanthoma (associated with hypertriglyceridemia) 11:50
Langerhans cell histiocytosis (LCH) 14:00
Epithelioid sarcoma (mimic of rheumatoid nodule & deep granuloma annular) 17:03
Rosai Dorfman disease 20:25
Xanthelasma 24:25
Tips for recognizing eyelid skin histology 25:00
Necrobiosis lipoidica (diabeticorum) (NLD) 26:28
Juvenile xanthogranuloma (JXG) aka solitary xanthogranuloma 29:00
Granuloma annulare 32:13
Granuloma annulare, interstitial pattern 35:43
Reticulohistiocytoma (Solitary Epithelioid Histiocytoma) & Reticulohistiocytosis 38:19
Sarcoidosis 41:33
Rheumatoid nodule 43:02
Vs deep granuloma annulare 45:35
Mucocele of Lip (mucous extravasation phenomenon) 47:00
Chalazion (ruptured inflamed Meibomian gland in eyelid) – not a stye (hordeolum) 49:18
Cookie Monster shaped Meibomian gland 49:40
Cutaneous Crohn disease (inflammatory bowel disease) in perianal skin polyp 51:24
Verruciform xanthoma 53:40
Lupus miliaris disseminatus faciei (FIGURE, acne agminata, granulomatous rosacea) 56:08
Ruptured cyst with keratin granuloma 57:55
Suture granuloma with scar 58:45
Granulomatous tattoo reaction vs sarcoidosis in a tattoo via koebnerization/Koebner phenomenon 1:00:28
Gel foam under the microscope (in a skin punch biopsy site) 1:02:40
Tuberous xanthoma (associated with familial dysbetalipoproteinemia III & other serum lipid abnormalities) 1:03:37
- WSI digital slide (metastatic breast carcinoma mimicking GA): [ Ссылка ]
- WSI digital slide of classic rheumatoid nodule: [ Ссылка ]
- Tendon vs Nerve Histology Made Simple with the Ramen Noodle Sign (of Fulton) video: [ Ссылка ]
Interstitial GA-like pattern can be seen in extra-genital lichen sclerosus. Here's our paper about this: [ Ссылка ]
A complete organized library of all my videos, digital slides, pics, & sample pathology reports is available here: [ Ссылка ] (dermpath) & [ Ссылка ] (bone/soft tissue sarcoma pathology).
Please check out my Soft Tissue Pathology & Dermatopathology survival guide textbooks: [ Ссылка ]
This video is geared towards medical students, pathology or dermatology residents, or practicing pathologists or dermatologists. Of course, this video is for educational purposes only and is not formal medical advice or consultation.
Presented by Jerad M. Gardner, MD. Please subscribe to my channel to be notified of new pathology teaching videos.
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