A case of unusual comedogenesis in alopecia totalis.

Our patient has had AA since 3 years, but he recently developed age-related hormone-induced seborrhea on the background of fully functional sebaceous glands over the scalp. Sir, Alopecia areata (AA) is a common cause of non-scarring hair loss. On examination, numerous closely set open comedones with regrowing and vellus hair were seen all over the scalp [Figure 1]. [Extracted from the article]