Male with patchy loss of scalp hair, eyebrows & beard with grey hair: (A) Alopecia areata, (B) Anagen effluvium, (C) Telogen effluvium, (D) Androgenic alopecia
Answer is A. Patchy loss, exclamation mark hair, autoimmune - Alopecia areata Alopecia areata is the commonest cause of patchy alopecia. Loss of Hair following a stress, infection etc - Telogen effluvium Loss of hair after Chemotherapy - Anagen effluvium Frontotemporal Recession - Androgenetic alopecia