Also known as: acne keloidalis

Clinical Features:

• Mainly affects young black men
• Most common on the occiput and neck
• Follicular papules and pustules progressing to exophytic keloidal plaques (scarring alopecia)

Histologic Features:

• Early lesions show pustular folliculitis with comedal dilatation of the follicles and follicular rupture.
• Later lesions show a dense dermal scar with or without a keloidal appearance and naked hair follicles surrounded by a mononuclear inflammatory infiltrate rich in plasma cells.

Cases associated with this book:

Acne keloidalis
Author: Artur Zembowicz M.D. Ph.D.

Conference: DermatopathologyConsultations.com Teaching Collection