This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Papulosquamous Disorders, Subject name: Skin
The most common association with coarse pitting of nails and onycholysis is: 
Select and explain. 
A. Cicatricial alopecia, B. Well defined scaly plaques, C. Polygonal papule, D. Violaceous papules
B: Well defined scaly plaques
Answer: B: Well defined scaly plaques 
Explanation: Ans. b. Well defined scaly plaquesPolygonal violaceous (purple) papules and cicatricial alopecia is seen in lichen planus