This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Dental
Dyskeratosis is a feature of 
Select and explain. 
A. Darier's disease, B. Pemphigus vulgaris, C. Psoriasis, D. Lichen planus
A: Darier's disease
Answer: A: Darier's disease 
Explanation: 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.