Most common cause for primary hyperparathyroidism is:: (A) Single adenoma, (B) Multiple adenomas, (C) Single gland hyperplasia, (D) Multiple gland hyperplasia
Answer is A. - Solitary adenoma is the most common cause (80%) - Parathyroid adenomas are most commonly located in inferior parathyroid glands Primary Hyperparathyroidism (PHPT)- Caused by increased secretion of Parathyroid hormone (PTH) from abnormalparathyroid gland- More common in females- MC cause of PHPT - Solitary Adenoma (80% of cases)|MC location - Inferior parathyroid