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Since my original basic dermpath case video has been so popular, I decided to make a second one. I came across all of these random cases during routine dermpath sign out recently. This is a nice sample of the kinds of biopsies a typical dermatopathologist sees in practice. I discuss my thought process for each case. Entities discussed: Grover's disease (transient acantholytic dermatosis) (0:00) Infectious abscess on ear involving cartilage (6:25) Keratin granuloma from ruptured follicular cyst (11:00) Tattoo reaction with marked epidermal hyperplasia (13:48) Seborrheic keratosis with incidental basal cell carcinoma (18:40) Inverted follicular keratosis (20:30) Squamous cell carcinoma clear cell change & pagetoid (24:07) Syringocystadenoma papilliferum (SCAP)(28:40) Mastocytosis/urticaria pigmentosa (33:25) Hypertrophic lichen planus (38:14) Lichen sclerosus (et atrophicus)(42:53) Please check out my Soft Tissue Pathology & Dermatopathology survival guide textbooks: This video is
