This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Histopathological findings, Subject name: Dental
[{'content': "Dyskeratosis is characteristic feature of ? \nSelect and explain. \nA. Darier's disease, B. Pemphigus vulgaris, C. Psoriasis, D. Tinea capitis", 'role': 'user'}, {'content': "Answer: A \nExplanation: Dyskeratosis - Premature or abnormal keratinization Seen in -1. Malignant condition : Squamous cell carcinoma2. Premalignant : Bowen's disease3. Benign conditions :a. Darier's diseaseb. Hailey-hailey disease", 'role': 'assistant'}]