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: Physiology
Central clearing is a feature of 
Select and explain. 
A. Lupus vulgaris, B. Tinea corporis, C. Leishmaniasis, D. All of the above
B: Tinea corporis
Answer: B: Tinea corporis 
Explanation: Tinea corporis, more commonly known as "ringworm," lesions usually begin as pruritic, round (ovoid or circular), erythematous, scaling patches. These lesions spread centrifugally with central clearingand a raised scaling border Ref ganong's review of medical physiology 25e p735