Lichen Planopilaris With Abrupt Onset of Rapid Hair Loss

September 14, 2005
William F. Bergfeld, MD

This unusual manifestation of lichen planus is marked by inflammation around the follicular epithelium; on closer examination, erythematous follicular papules may be identified.

This unusual manifestation of lichen planus is marked by inflammation around the follicular epithelium; on closer examination, erythematous follicular papules may be identified, as seen here. Lichen planopilaris usually results in a focal scarring hair loss. A biopsy is helpful in confirming the diagnosis.