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
Answer is C. Both Hailey Hailey disease and Darier's disease are characterized by suprabasal acantholysis / suprabasal blister.