Exclamation mark hair pattern is seen in: (A) Alopecia areata, (B) Androgenic alopecia, (C) Anagen effluvium, (D) Telogen effluvium
Answer is A. Alopecia areata - autoimmune condition Exclamation mark - These are broken hair follicles with broad distal and thin proximal shaft It is pathognomonic of alopecia areata but not always found.