of 53 patients who had hyperparathyroidism assocated with multiple parathyroid gland enlargement , 39 ( 74 % ) had primary hyperparathyroidism without clinical or laboratory evidence of associated endocrine gland dysfunction , 2 had documented familial primary hyperparathyroidism , and 12 had hyperparathyroidism as part of the multiple endocrine neoplasia syndrome .
C0221002
primary hyperparathyroidism
C0020502
hyperparathyroidism