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Related Concept Videos

The Parathyroid Glands00:59

The Parathyroid Glands

The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by producing...
Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH receptors...
Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

Hyperthyroidism is a type of thyrotoxicosis characterized by the thyroid gland's overproduction of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). This hormone excess increases the basal metabolic rate and enhances sensitivity to catecholamines.DiagnosisDiagnosis is based on clinical features and biochemical testing. It typically shows suppressed thyroid-stimulating hormone (TSH) levels below 0.4 mIU/L, with elevated free T3 and/or T4. Additional tests, including thyroid...

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Articles linked to this work by shared authors, journal, and citation graph.

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Percutaneous Ablative Techniques in Primary Hyperparathyroidism: Not All Glands Are Created Equal.

The Journal of clinical endocrinology and metabolism·2025
Same author

Evaluation and Management of Primary Hyperparathyroidism: Summary Statement and Guidelines from the Fifth International Workshop.

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research·2022
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The Efficacy and Safety of Medical and Surgical Therapy in Patients With Primary Hyperparathyroidism: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research·2022
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Management of Primary Hyperparathyroidism.

Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research·2022
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Nontraditional Aspects of Sporadic Primary Hyperparathyroidism.

Endocrinology and metabolism clinics of North America·2021
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Primary hyperparathyroidism: management after unsuccessful parathyroid surgery.

The British journal of surgery·2021

Related Experiment Video

Updated: Jul 7, 2026

Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation
07:13

Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation

Published on: March 14, 2017

Vitamin D deficiency and primary hyperparathyroidism.

Shonni J Silverberg1

  • 1Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York, USA.

Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research
|March 20, 2008
PubMed
Summary

Vitamin D deficiency is linked to more severe primary hyperparathyroidism and is more common in patients with this condition. Addressing vitamin D levels may help manage hyperparathyroidism and reduce surgical risks.

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Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
03:57

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

Published on: July 14, 2023

Related Experiment Videos

Last Updated: Jul 7, 2026

Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation
07:13

Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation

Published on: March 14, 2017

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
03:57

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

Published on: July 14, 2023

Area of Science:

  • Endocrinology
  • Nutritional Science

Background:

  • Primary hyperparathyroidism characteristics have shifted since the mid-20th century, coinciding with improved vitamin D nutrition.
  • Osteitis fibrosa cystica is now rare, with the disease often presenting asymptomatically.

Purpose of the Study:

  • To investigate the proposed association between vitamin D deficiency and the severity of primary hyperparathyroidism.
  • To explore the prevalence of vitamin D deficiency in primary hyperparathyroidism patients compared to the general population.

Main Methods:

  • Observational analysis of clinical data and patient characteristics.
  • Comparison of vitamin D status between primary hyperparathyroidism patients and matched control populations.

Main Results:

  • Primary hyperparathyroidism appears more severe in individuals with concurrent vitamin D deficiency.
  • Vitamin D deficiency and insufficiency are more prevalent in patients with primary hyperparathyroidism.

Conclusions:

  • Vitamin D deficiency is associated with increased primary hyperparathyroidism severity and prevalence.
  • Managing vitamin D status is crucial for diagnosis and treatment, potentially preventing complications like hypocalcemia after parathyroidectomy.