Dental General d7b8c89c All of the following are true about Darier's disease except: A Defect in calcium ATPase because of mutation in ATP2A2 gene B Corps ronds and corps grains are seen C Subepidermal blister D V-shaped nicking of nail is present High-Yield Explanation Both Hailey Hailey disease and Darier's disease are characterized by suprabasal acantholysis / suprabasal blister.