All of the following may lead to plaque formation except: (A) Pityriasis rosea, (B) Psoriasis, (C) Pemphigus, (D) Lichen planus
Answer is C. Pemphigus vulgaris is a immunobullous disorder characterised by formation of flaccid blisters in skin and mucous membranes. other options lesions are characterised by papules and plaques. iadvl textbook of dermatology page 1088