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: Dental
20 year old male from Jaipur with erythematous lesion on cheek with central crusting likely diagnosis is – 
Select and explain. 
A. SLE, B. Lupus vulgaris, C. Chillblain, D. Cutaneous leishmaniasis
D: Cutaneous leishmaniasis
Answer: D: Cutaneous leishmaniasis 
Explanation: This patient has -

Erythematous lesion
On the face (cheek)
Central crusting
Diagnosis is cutaneous leishmaniasis.

Remember

In Lupus vulgaris, there is peripheral crusting and central scarring.
In cutaneous leishmaniasis, there is central crusting and scarring spares the centre.