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
[{'content': 'Not a cutaneous manifestation of TB: \nSelect and explain. \nA. Lupus pernio, B. Lupus vulgaris, C. Erythema nodosum, D. Scrofuloderma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Lupus pernio is a skin manifestation of Sarcoidosis.\n\xa0\nSarcoidosis does not involve kidney.\n\xa0\nSarcoidosis mimics like Berylliosis.', 'role': 'assistant'}]