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: Radiology
[{'content': 'Calcification around the joint is seen in – a) Pseudogoutb) Hyperparathyroidismc) Rh. arthritisd) Gout \nSelect and explain. \nA. b, B. c, C. ac, D. ad', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Crystal arthropathy (gout, pseudogout) can cause periarticular soft tissue calcification.', 'role': 'assistant'}]