Case Reports in Dermatological Medicine / 2017 / Article / Fig 2

Case Report

Perianal Comedones: A Rare Incidental Finding

Figure 2

(a) A shave biopsy demonstrating two open comedones, note the wide opening and the thin epithelial lining (40x). (b) A close-up view of one lesion, showing the keratinous material and the multiple hair shaft fragments (100x).