This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blistering disorders, Subject name: Dental
"Corps ronds" are seen in which of the following disease: 
Select and explain. 
A. Keratosis follicularis, B. Hailey-Hailey disease, C. Pemphigus foliaceus, D. Pemphigus vegetans
A: Keratosis follicularis
Answer: A: Keratosis follicularis 
Explanation: 'Corps ronds' are seen in Keratosis follicularis or Darier's disease. Corps ronds Characterised by keratotic papules over the seborrheic areas. Histopathology: Acantholysis and Dyskeratosis Rounded dyskeratotic cells with eosinophilic cytoplasm (called 'corps ronds') appear which give rise to small cells with shrunken cytoplasm (corps grains).