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Hyperthyroidism II: Pathophysiology

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: Introduction

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...

The Thyroid Gland

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...

Graves Disease II: Pathophysiology

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...

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Updated: Jul 17, 2026

Transoral Robotic Total Thyroidectomy and Bilateral Central Regional Lymph Node Dissection for Papillary Thyroid Carcinoma

Transoral Robotic Total Thyroidectomy and Bilateral Central Regional Lymph Node Dissection for Papillary Thyroid Carcinoma

Published on: September 15, 2023

Safety of total thyroidectomy.

Jonathan W Serpell¹, Diana Phan

¹Breast, Endocrine Surgery and Surgical Oncology Unit, Frankston Hospital, Victoria, Australia. jwserpell@bigpond.net.au

ANZ Journal of Surgery

|February 14, 2007

Summary

Total thyroidectomy is a safe and effective procedure for thyroid conditions, achieving low complication rates comparable to leading global centers. This study demonstrates excellent outcomes in a consecutive series of patients, supporting its widespread application.

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Transoral Endoscopic Thyroidectomy Vestibular Approach for Thyroid Lobectomy

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Published on: May 12, 2023

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Transoral Robotic Total Thyroidectomy and Bilateral Central Regional Lymph Node Dissection for Papillary Thyroid Carcinoma

Transoral Robotic Total Thyroidectomy and Bilateral Central Regional Lymph Node Dissection for Papillary Thyroid Carcinoma

Published on: September 15, 2023

Transoral Endoscopic Thyroidectomy Vestibular Approach for Thyroid Lobectomy

Transoral Endoscopic Thyroidectomy Vestibular Approach for Thyroid Lobectomy

Published on: May 12, 2023

Area of Science:

Endocrine Surgery
Surgical Oncology
Thyroidology

Background:

Total thyroidectomy is the standard surgical approach for multinodular goitre, Graves' disease, and thyroid cancer.
This study evaluates the feasibility of achieving world-class outcomes in a non-specialized center.

Purpose of the Study:

To assess the safety and efficacy of total thyroidectomy in a consecutive patient series.
To compare complication rates with established centers of excellence.

Main Methods:

Prospective data collection from 336 total thyroidectomies performed between 1991 and 2004.
Analysis of patient demographics, indications for surgery (multinodular goitre, Graves' disease, thyroid cancer), and surgical techniques.
Inclusion of data on parathyroid autotransplantation and staged procedures.

Main Results:

Low rates of permanent complications: 0.3% recurrent laryngeal nerve palsy and 1.8% hypoparathyroidism.
Overall hypocalcaemia rate of 38.9%, with higher incidence after one-stage vs. two-stage surgeries and for Graves' disease.
Low rates of postoperative hemorrhage (0.9%) and wound infection (1.5%), with no mortality.

Conclusions:

Total thyroidectomy offers complete disease removal and reduces recurrence rates, avoiding reoperation risks.
The procedure is safe, achieving complication rates comparable to international centers of excellence.