This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Scarring alopecia is associated with NOT RELATED- DERMATOLOGY 
Select and explain. 
A. Alopecia areata, B. Tinea capitis, C. Androgenic alopecia, D. Lichen planus
D: Lichen planus
Answer: D: Lichen planus 
Explanation: Scarring alopecia is caused by Lichen planus and Kerion commonly .other rare causes are DLE , trauma, burn and congenital tumours