Kogoj's pustules are seen in?: (A) Lichen planus, (B) Pemphigus vulgaris, (C) Mycosis fungoides, (D) Psoriasis vulgaris
Answer is D. Ans. is'd'i.e., Psoriasis vulgarisOn histopathological examination of psoriasis lesion there is accumulation of polymorphs in stratum malpighi layer. These clusters are known as Kogoj pustules.