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: Unknown
Flat topped violaceous papule, thinning of nail. Microscopic finding would be? 
Select and explain. 
A. Basal cell degeneration, B. Epidermal bulla, C. Acantholysis, D. Prominent necrotic cells
A: Basal cell degeneration
Answer: A: Basal cell degeneration 
Explanation: (Refer: Fitz Patrick’s Dermatology in General Medicine, 8th edition, pg no: 2418)