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: Unknown
Not a cutaneous manifestation of TB: 
Select and explain. 
A. Lupus pernio, B. Lupus vulgaris, C. Erythema nodosum, D. Scrofuloderma
A: Lupus pernio
Answer: A: Lupus pernio 
Explanation: Lupus pernio is a skin manifestation of Sarcoidosis.
 
Sarcoidosis does not involve kidney.
 
Sarcoidosis mimics like Berylliosis.