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Related Concept Videos

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

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Related Experiment Video

Updated: May 11, 2026

Computer-Aided Three-Dimensional Visualization in the Treatment of Locally Advanced Thyroid Cancer
03:55

Computer-Aided Three-Dimensional Visualization in the Treatment of Locally Advanced Thyroid Cancer

Published on: June 9, 2023

Recurrent well-differentiated thyroid carcinoma.

Matthew J R Magarey1, Jeremy L Freeman

  • 1Department of Otolaryngology Head & Neck Surgery, Mount Sinai Hospital, University of Toronto, Toronto, Canada.

Oral Oncology
|April 30, 2013
PubMed
Summary
This summary is machine-generated.

Well-differentiated thyroid carcinoma (WDTC) recurrence is rising. This review covers established and novel treatments, focusing on revision surgery for central neck recurrences to improve patient outcomes.

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Area of Science:

  • Oncology
  • Endocrinology
  • Surgical Oncology

Background:

  • The incidence of well-differentiated thyroid carcinoma (WDTC) is increasing globally.
  • Recurrence rates for WDTC range from 15% to 30%, significantly impacting patient prognosis, especially with distant metastasis.
  • Understanding the implications of local and regional recurrence is crucial for effective management.

Purpose of the Study:

  • To review current literature on the management of recurrent WDTC.
  • To discuss outcome measurements for treatment efficacy.
  • To propose a strategy for revision surgery in the central neck compartment.

Main Methods:

  • Comprehensive literature review of WDTC recurrence and treatment options.
  • Analysis of established treatments: Observation, Radioactive Iodine (RAI), External Beam Radiotherapy (EBRT), and surgery.
  • Evaluation of emerging therapies like radiofrequency ablation (RFA) and percutaneous ultrasound-guided ethanol injection (PUEI).

Main Results:

  • Distant recurrence of WDTC dramatically reduces 10-year survival to 50%.
  • Established treatments offer various management pathways for recurrent WDTC.
  • Novel treatments like RFA and PUEI show promising early results.

Conclusions:

  • Effective management strategies are essential due to rising WDTC recurrence rates.
  • Revision surgery in the central neck compartment requires careful planning and execution.
  • Further research into novel therapies and surgical techniques is warranted to improve outcomes for recurrent WDTC.