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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Dyskeratosis is seen in:
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The correct answer is  Darier's disease is characterized by defect in Ca+2 pump that is necessary for desmosome function, due to mutation in ATP2A2 gene.
Both HHD and Darier's disease are characterized by acantholysis and suprabasal blister, but dysteratosis (premature keratinization in epidermis) is seen classically with Darier's disease.