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Related Concept Videos

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...
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...
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...
Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor, and heat...
Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence in...

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Related Experiment Video

Updated: May 29, 2026

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
07:12

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

Published on: August 17, 2022

Primary hyperparathyroidism: how many cases are being missed?

I M Shapey1, S S Jaunoo, C Hanson

  • 1University Hospitals Coventry and Warwickshire NHS Trust, UK. i.m.shapey@doctors.org.uk

Annals of the Royal College of Surgeons of England
|September 28, 2011
PubMed
Summary

Many patients with primary hyperparathyroidism (PHPT) are not receiving specialist care or treatment. Improved general practitioner (GP) education and referral systems are needed to ensure patients with PHPT are properly assessed and treated.

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Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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Related Experiment Videos

Last Updated: May 29, 2026

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
07:12

Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging

Published on: August 17, 2022

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
  • Surgical Research
  • Public Health

Background:

  • Primary hyperparathyroidism (PHPT) is a prevalent endocrine disorder associated with significant morbidity and mortality.
  • Surgical intervention is the only curative treatment for PHPT, while medical management yields suboptimal outcomes.
  • Evaluating referral patterns is crucial for identifying undiagnosed or untreated PHPT cases.

Purpose of the Study:

  • To assess referral patterns for patients diagnosed with PHPT.
  • To determine the number of patients with PHPT who are missed or not receiving specialist care.
  • To identify potential gaps in the diagnosis and management pathway for PHPT.

Main Methods:

  • Retrospective analysis of biochemical data from Worcestershire Royal Hospital.
  • Exclusion of patients with chronic renal failure.
  • Identification of patient referral routes, documentation of missed cases, and GP contact for follow-up.

Main Results:

  • Out of 102 identified PHPT cases, 62.7% remained untreated and lacked specialist referral.
  • 35.3% of patients had undergone parathyroidectomy, and 2.0% were under monitoring.
  • General practitioner follow-up revealed that 65% of initially untreated patients were subsequently referred.

Conclusions:

  • A substantial number of PHPT patients are not referred to specialists or treated, remaining in the community.
  • All patients diagnosed with PHPT require specialist assessment for surgical treatment consideration and follow-up.
  • Enhancing GP education and optimizing referral pathways are essential for improving patient outcomes in PHPT.