This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Physiology and Pathophysiology - Primary Hyperparathyroidism, Subject name: Surgery
[{'content': 'Most common surgically repairable cause of hyperparathyroidism? \nSelect and explain. \nA. Adenoma, B. Carcinoma, C. Hyperplasia, D. Renal disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ANSWER: (A) AdenomaREF: Blueprints Surgery by Seth J. Karp, James Morris, David I. Soybel Page 85Hyperparathyroidism is the most common cause of surgically correctable hypercalcemia.Primary hyperparathyroidism is a surgical disease and operation is required for the hyperfunctioning gland (A single hyperfunctioning adenoma accounts for approximately 90% cases)Secondary hyperparathyroidism of renal disease is treated medically.Tertiary hyperparathyroidism due to autonomous parathyroid hyperplasia occasionally requires surgery.', 'role': 'assistant'}]