This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune system, Subject name: Medicine
Lupus pernio is seen in- 
Select and explain. 
A. Tuberculosis, B. SLE, C. PAN, D. Sarcoidosis
D: Sarcoidosis
Answer: D: Sarcoidosis 
Explanation: Ref Davidsons 23e p609