Pathergy test is used for ?: (A) Reither's syndrome, (B) Bechet's syndrome, (C) Lichen planus, (D) Atopic dermatitis
Answer is B. Ans. is 'b' i.e., Bechet's syndrome Criteria for diagnosis of Bechet's disease Recurrent oral ulcer for at least 3 times in 12 months. Plus any two of the followings :? Recurrent genital ulcer. Eye inflammation with loss of vision. Characterstic skin lesion (erythema nodosum). Positive pathergy test (skin prick test).