Dyskeratosis is a feature of: (A) Darier's disease, (B) Pemphigus vulgaris, (C) Psoriasis, (D) Lichen planus
Answer is A. Faulty and premature keratinization of individual keratinocytes is called dyskeratosis. Dyskeratotic cells are usually intensely eosinophilic and may contain a small, dense, basophilic nuclear remnant. Dyskeratotic cells may also be densely basophilic as seen in Darier's disease.