This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'All of the following histopathological changes are seen in psoriasis except? \nSelect and explain. \nA. Hyperkeratosis, B. Acanthosis, C. Dyskeratosis, D. Parakeratosis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Dyskeratosis is premature &abnormal keratinization below the level of stratum corneum,seen in Bowen's disease,SCC,Dyskeratosis congenita.", 'role': 'assistant'}]