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  2. Hyperparathyroidism - Wikipedia

    en.wikipedia.org/wiki/Hyperparathyroidism

    Causes of primary hyperparathyroidism include parathyroid adenoma (80% of patients), multiglandular disease usually seen as hyperplasia of the 4 parathyroid glands (15-20% of patients), parathyroid carcinoma (less than 1% of patients). [15] Primary hyperparathyroidism occurs sporadically and most patients do not have a family history. [15]

  3. Disorders of calcium metabolism - Wikipedia

    en.wikipedia.org/wiki/Disorders_of_calcium...

    Disorders of calcium metabolism occur when the body has too little or too much calcium. The serum level of calcium is closely regulated within a fairly limited range in the human body. In a healthy physiology, extracellular calcium levels are maintained within a tight range through the actions of parathyroid hormone , vitamin D and the calcium ...

  4. Parathyroid disease - Wikipedia

    en.wikipedia.org/wiki/Parathyroid_disease

    Parathyroid surgery could be performed in two different ways: first is a complete parathyroidectomy, and second is the auto transplantation of the removed parathyroid glands. There are various conditions that can indicate the need for the removal or transplant of the parathyroid glands.

  5. Tertiary hyperparathyroidism - Wikipedia

    en.wikipedia.org/wiki/Tertiary_hyperparathyroidism

    Tertiary hyperparathyroidism is a condition involving the overproduction of the hormone, parathyroid hormone, produced by the parathyroid glands. [1] The parathyroid glands are involved in monitoring and regulating blood calcium levels and respond by either producing or ceasing to produce parathyroid hormone. Anatomically, these glands are ...

  6. Parathyroid gland - Wikipedia

    en.wikipedia.org/wiki/Parathyroid_gland

    Parathyroid glands are small endocrine glands in the neck of humans and other tetrapods. Humans usually have four parathyroid glands, located on the back of the thyroid gland in variable locations. The parathyroid gland produces and secretes parathyroid hormone in response to low blood calcium, which plays a key role in regulating the amount of ...

  7. Primary hyperparathyroidism - Wikipedia

    en.wikipedia.org/wiki/Primary_hyperparathyroidism

    The most common cause of primary hyperparathyroidism is a sporadic, single parathyroid adenoma [5] resulting from a clonal mutation (~97%). Less common are parathyroid hyperplasia [6] (~2.5%), parathyroid carcinoma (malignant tumor), and adenomas in more than one gland (together ~0.5%).Primary hyperparathyroidism is also a feature of several familial endocrine disorders: Multiple endocrine ...

  8. Secondary hyperparathyroidism - Wikipedia

    en.wikipedia.org/wiki/Secondary_hyperparathyroidism

    Secondary hyperparathyroidism is the medical condition of excessive secretion of parathyroid hormone (PTH) by the parathyroid glands in response to hypocalcemia (low blood calcium levels), with resultant hyperplasia of these glands. This disorder is primarily seen in patients with chronic kidney failure.

  9. Endocrine bone disease - Wikipedia

    en.wikipedia.org/wiki/Endocrine_bone_disease

    The thyroid, parathyroid, pituitary, or adrenal glands, and the pancreas are parts of the endocrine system, and, therefore are associated with the endocrine bone disease. [2] Some common endocrine disorders are hypothyroidism, hyperthyroidism, Paget's disease , [ 1 ] Osteoporosis, and diabetes. [ 3 ]

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