True statement about primary hyperparathyroidism-: (A) Adenoma commonest cause, (B) serum calcium, (C) Surgery if biochemical finding is abnormal in asymptomatic patient, (D) MIBG isotope is useful in localization of tumor
Answer is A. Solitary adenoma common cause around 80% of primary hyperparathyroidism Ref - ( Harrison 17 pg 2380)