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Related Concept Videos

The Thyroid Gland01:23

The Thyroid Gland

The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
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 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...
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...
Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The iodine is then...

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Related Experiment Video

Updated: Jun 9, 2026

A Swin Transformer-Based Model for Thyroid Nodule Detection in Ultrasound Images
04:23

A Swin Transformer-Based Model for Thyroid Nodule Detection in Ultrasound Images

Published on: April 21, 2023

The patient with a thyroid nodule.

Matthew C Miller1

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Rochester Medical Center, Box 629, 601 Elmwood Avenue, Rochester, NY 14642, USA. Matthew_miller@urmc.rochester.edu

The Medical Clinics of North America
|August 26, 2010
PubMed
Summary
This summary is machine-generated.

Most thyroid nodules are benign, but some have cancer risks. Understanding these risk factors helps doctors decide if surgery is needed for thyroid nodules, improving patient management.

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Computer-Aided Three-Dimensional Visualization in the Treatment of Locally Advanced Thyroid Cancer
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A Swin Transformer-Based Model for Thyroid Nodule Detection in Ultrasound Images
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Computer-Aided Three-Dimensional Visualization in the Treatment of Locally Advanced Thyroid Cancer

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Area of Science:

  • Endocrinology
  • Oncology
  • Radiology

Background:

  • Nodular thyroid disease is a global health concern.
  • While most thyroid nodules are benign, a subset harbors malignancy.
  • Accurate risk assessment is crucial for patient management.

Purpose of the Study:

  • To provide a framework for clinicians to risk-stratify thyroid nodules.
  • To guide the appropriate management of patients presenting with thyroid nodules.
  • To aid in the decision-making process for surgical referral.

Main Methods:

  • Review of clinical, radiographic, and cytologic features associated with thyroid nodule malignancy.
  • Development of a risk-stratification model for thyroid nodules.
  • Analysis of decision-making processes in thyroid nodule evaluation.

Main Results:

  • Identification of key risk factors for thyroid nodule malignancy.
  • Establishment of a clinical framework for risk stratification.
  • Guidance on appropriate management pathways, including surgical referral.

Conclusions:

  • Clinicians can effectively risk-stratify thyroid nodules using defined features.
  • A structured approach improves the management of patients with thyroid nodules.
  • Appropriate risk assessment minimizes unnecessary surgical interventions.