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: Skin
All of the following are causes of cicatrizing alopecia except: 
Select and explain. 
A. Lichen planus, B. Discoid lupus erythematosus, C. Alopecia areata, D. Lupus vulgaris
C: Alopecia areata
Answer: C: Alopecia areata 
Explanation: C i.e. Alopacia aerate