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
"Corps ronds and corps grains" are seen in: 
Select and explain. 
A. Darier's disease, B. Hailey Hailey disease, C. Chronic bullous disorder of childhood, D. Epidermolysis bullosa dystrophica
A: Darier's disease
Answer: A: Darier's disease 
Explanation: Corps ronds and corps grains are dyskeratotic granulocytes seen in epidermis which is charcteristic feature of "Darier's disease"