The commonest cause of primary hyperparathyroidism is :
Ans. is 'b' Parathyroid adenoma (Ref Harrison, 17/e, p 2380 & 16/e, p 2252 (15/e, p 2210)).Most common cause of primary hyperparathyroidism is parathyroid adenoma.
Carcinoma parathyroid
Solitary adenoma of parathyroid
Chronic renal failure
Hyperplasia of the parathyroid
Parathyroid