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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...

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...

Graves' Disease I: Introduction

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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...

The Parathyroid Glands

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
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The Thyroid Gland

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Updated: Jun 15, 2026

Gasless Endoscopic Thyroidectomy via the Trans-Axillary Approach

Gasless Endoscopic Thyroidectomy via the Trans-Axillary Approach

Published on: September 15, 2023

Acute thyroiditis complicating parathyroidectomy.

Gerald Parker¹, Woodrow W Brand, Eric Dyess

¹Gilmore Regional Medical Center, Amory, Mississippi, USA.

The American Journal of the Medical Sciences

|March 13, 2010

Summary

This summary is machine-generated.

Post-parathyroidectomy thyroiditis can cause pulmonary edema and elevated free T4. This condition, though rare, is an important potential complication following parathyroid surgery.

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Transoral Endoscopic Thyroidectomy Vestibular Approach for Thyroid Lobectomy

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Area of Science:

Endocrinology
Surgical Pathology

Background:

Parathyroidectomy is a common surgical procedure for hyperparathyroidism.
Thyroid dysfunction following parathyroid surgery is an under-reported complication.

Observation:

A 59-year-old man developed pulmonary edema and elevated free thyroxine (free T4) with suppressed thyroid-stimulating hormone (TSH) 10 days post-parathyroidectomy.
Echocardiogram showed mild abnormalities.
Thyroid function normalized with reduced thyroid uptake on scan at 60 days.

Findings:

The patient's presentation suggests transient thyroiditis induced by parathyroid surgery.
Review of literature reveals other cases of thyroiditis occurring at variable intervals after parathyroidectomy.

Implications:

This case highlights thyroiditis as a potential, under-recognized morbidity after parathyroid surgery.
Clinicians should consider thyroid dysfunction in patients presenting with relevant symptoms post-parathyroidectomy.
Early recognition and management can prevent complications.