All are true about hyperparathyroidism except?
Hyperparathyroidism is usually due to a solitary adenoma. It can also be due to MEN Type 1 which accounts for about 90% of parathyroid cancers, which do not include thyroid malignancies in the group of the multiple endocrine neoplasms. Parathyroid hyperplasia can also lead to hyperparathyroidism.
Solitary adenoma
Malignant
Thyroid malignancy
Parathyroid hyperplasia
Disorders of Parathyroid Gland