Related Experiment Video
Updated: May 16, 2026
04:09
Minimal Invasive Resection of Large Retrosternal Thyroid Goiter
Published on: September 20, 2024
Goitre - causes, investigation and management.
Kiernan Hughes1, Creswell Eastman
1Sydney Thyroid Clinic, New South Wales, Australia. kiernanhughes@northernendocrine.com.au
Australian Family Physician
|November 13, 2012
Summary
Goitre, an enlarged thyroid, can be asymptomatic or cause symptoms like dysphagia. Management in Australian general practice involves thyroid stimulating hormone testing, ultrasound, and treatments ranging from observation to surgery.
Area of Science:
- Endocrinology
- General Practice
Background:
- Goitre is an enlarged thyroid gland.
- Common causes include autoimmune disease, thyroid nodules, and iodine deficiency.
Purpose of the Study:
- To outline the causes, investigation, and management of goitre.
- Focus on the Australian general practice setting.
Main Methods:
- Thyroid stimulating hormone (TSH) testing as the initial diagnostic step.
- Thyroid ultrasound as an extension of physical examination for nodule assessment.
- Radionuclide scan for low TSH levels.
Main Results:
- Goitre can be asymptomatic or present with compressive symptoms (e.g., cough, dysphagia).
- Symptoms may arise from associated hypothyroidism or hyperthyroidism.
- Ultrasound guides nodule biopsy decisions.
Conclusions:
- TSH is the primary screening test for goitre.
- Thyroid ultrasound is crucial for all goitre patients.
- Treatment is cause-dependent, including observation, supplementation, medication, ablation, or surgery.
Related Concept Videos
01:27Goiter
Goiter refers to an abnormal enlargement of the thyroid gland that may appear as a diffuse goiter (uniform enlargement) or nodular (single or multiple nodules). Functionally, it is classified as nontoxic (normal/low hormone levels) or toxic (excess hormone production).PathophysiologyDiffuse thyroid enlargement typically results from prolonged stimulation by thyroid-stimulating hormone (TSH) or TSH-like agents, commonly seen in hypothyroidism or iodine deficiency. In contrast, in hyperthyroid...
01:28Graves' 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...
01:25Hyperthyroidism 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...
01:24Graves 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...
01:27Hyperthyroidism 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...
01:23Hypothyroidism 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...