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Related Concept Videos

Goiter01:27

Goiter

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...
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...
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...
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...
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...

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Related Experiment Video

Updated: Jun 4, 2026

Minimal Invasive Resection of Large Retrosternal Thyroid Goiter
04:09

Minimal Invasive Resection of Large Retrosternal Thyroid Goiter

Published on: September 20, 2024

Goiter: an approach to management.

W C Nicholas

    Canadian Family Physician Medecin De Famille Canadien
    |February 9, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Thyroid swelling (goiter) affects 5-10% of adults, while thyroid cancer is rare but has a good prognosis. This study outlines management strategies for patients presenting with goiter, pain, hyperthyroidism, or hypothyroidism.

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    Minimal Invasive Resection of Large Retrosternal Thyroid Goiter
    04:09

    Minimal Invasive Resection of Large Retrosternal Thyroid Goiter

    Published on: September 20, 2024

    Gasless Endoscopic Thyroidectomy via the Trans-Axillary Approach
    05:10

    Gasless Endoscopic Thyroidectomy via the Trans-Axillary Approach

    Published on: September 15, 2023

    Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
    10:19

    Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

    Published on: November 10, 2014

    Area of Science:

    • Endocrinology
    • Oncology
    • Internal Medicine

    Background:

    • Goiter, a thyroid swelling, affects 5-10% of adults.
    • Thyroid carcinoma incidence is low (2.5 per 100,000), with generally favorable outcomes.
    • Clinical presentations of thyroid issues include goiter alone, goiter with pain, hyperthyroidism, or hypothyroidism.

    Purpose of the Study:

    • To present a management approach for thyroid swelling (goiter).
    • To address clinical presentations of goiter, including pain, hyperthyroidism, and hypothyroidism.
    • To provide a framework for managing thyroid conditions based on incidence and prognosis.

    Main Methods:

    • Literature review on goiter and thyroid carcinoma incidence.
    • Analysis of common clinical presentations.
    • Development of a management strategy based on established facts.

    Main Results:

    • Goiter prevalence is significant in the adult population.
    • Thyroid cancer is infrequent, with a positive prognosis.
    • Four primary clinical scenarios guide patient management.

    Conclusions:

    • A structured approach to goiter management is essential.
    • Differentiating presentations like pain, hyperthyroidism, or hypothyroidism informs treatment.
    • Effective management relies on understanding disease incidence and prognosis.