Dapsone is NOT used in: March 2013

Ans. A i.e. Alopecia areata Alopecia areata (AA) Non-cicatricial/ non scaring alopecia Exclamation mark sign is characteristic Clinical presentation: Single or multiple circumscribed smooth patchy hair loss, most obviously on scalp but frequently involving any hair bearing skin like beard, eyebrows, eyelashes, with pathognomic "exclamation marks" and "going gray overnight" phenomenon AA is treated by: Minoxidil