Granulomatous Skin Diseases 101: Dermpath Basics for Dermatology Pathology & USMLE

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 Epithe