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Chapter: Medicine and surgery: Endocrine system
Hyperparathyroidism - Disorders of the parathyroids
Increased secretion of parathyroid hormone (PTH) from the parathyroid glands located on the posterior surface of the thyroid gland.
- Definition, Incidence, Aetiology, Pathophysiology, Clinical features, Complications, Investigations, Management, Prognosis.
Disorders of the parathyroids
Hyperparathyroidism
Definition
Increased secretion of parathyroid hormone (PTH) from the parathyroid glands located on the posterior surface of the thyroid gland.
Aetiology
Hyperparathyroidism may be primary, secondary or tertiary (see Table 11.16). Secretion of PTH like peptide is seen in squamous cell bronchial carcinoma.
Pathophysiology
PTH is an 84 amino acid polypeptide, which controls normal calcium homeostasis.
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Medicine and surgery: Endocrine system : Hyperparathyroidism - Disorders of the parathyroids |
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Medicine and surgery: Endocrine system