title: Bilateral intrathyroidal hyperplastic parathyroid glands.
abstract: A patient with secondary hyperparathyroidism was found to have two intrathyroidal parathyroid glands. Parathyroid glands are found completely within the substance of the thyroid in approximately 2 to 8% of all cases. The surgical approach to hyperparathyroidism is discussed.
mesh_terms: D007839:Functional Laterality; D006801:Humans; D006962:Hyperparathyroidism, Secondary / Q000473:pathology / Q000601:surgery*; D006965:Hyperplasia; D008297:Male; D008875:Middle Aged; D010280:Parathyroid Glands / Q000473:pathology* / Q000601:surgery; D013961:Thyroid Gland / Q000473:pathology / Q000601:surgery*