This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
[{'content': 'Calciphylaxis is more commonly seen in \nSelect and explain. \nA. Primary hyperparathyroidism, B. Secondary hyperparathyroidism, C. Teritiary hyperparathyroidism, D. Pseudo hyperparathyroidism', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Calciphylaxis (calcific uraemic aeriolopathy) is a syndrome of disseminated calcification resulting in both vascular calcification and skin necrosis. It accounts for approximately 4% of patients undergoing surgical intervention for secondary hyperparathyroidism. It presents with expanding painful cutaneous purpuric lesions, predominantly on the extremities, although it can also be seen on the lower abdomen.Ref: Bailey and Love 27e pg: 831', 'role': 'assistant'}]