Most common cause for primary hyperparathyroidism is:

- 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