DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Lichen planopilaris. Close-up of the scalp of a 67-year-old female patient with hair loss caused by lichen planopilaris. Lichen planopilaris is a rare inflammatory condition that causes patchy progressive permanent hair loss, mainly on the scalp. Its cause in unknown but it mostly affects young adult women.
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