acne keloidalis
Histologic Features
- Dilated infundibula filled with keratin
- Ruptured epithelium with suppurative inflammation
- Fragments of hair shaft surrounded by granulomatous inflammation
- A dense infiltrate in the dermis consisting of many multinucleated giant histiocytes, lymphocytes, a few neutrophils and plasma cells
- Fibroplasia of the dermis
Updated Wednesday, July 31, 2013 8:30:48 PM