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Graves' Disease I: Introduction

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: 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 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...

Goiter

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: 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...

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Related Experiment Video

Updated: Jun 24, 2026

Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions

Synchronous Triplanar Reconstruction Integrated with Color Doppler Mapping for Precise and Rapid Localization of Thyroid Lesions

Published on: February 9, 2024

Skin findings in thyroid diseases.

Sölen Artantaş¹, Ulker Gül, Arzu Kiliç

¹Numune Education and Research Hospital, 2nd Dermatology Clinic, Ankara, Turkey.

European Journal of Internal Medicine

|March 31, 2009

Summary

Thyroid disease patients frequently exhibit skin issues like chronic urticaria and vitiligo. Autoimmune thyroid conditions show higher rates of these dermatoses compared to controls.

Area of Science:

Endocrinology
Dermatology

Background:

Thyroid diseases often manifest with cutaneous symptoms.
Skin findings and dermatoses are common in individuals with thyroid dysfunction.

Purpose of the Study:

To identify and compare skin manifestations in patients with thyroid diseases.
To investigate the prevalence of dermatoses associated with various thyroid conditions.

Main Methods:

A study involving 220 patients with thyroid diseases and 90 healthy controls.
Systematic recording and statistical comparison of skin findings and dermatoses between groups.

Main Results:

Skin findings were observed in 56.8% of thyroid disease patients.
Chronic urticaria, vitiligo, and diffuse alopecia were significantly more prevalent in thyroid disease patients, particularly those with autoimmune thyroid diseases.

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No significant difference in overall skin findings between thyroid patients and controls, but specific dermatoses showed higher incidence in patients.

Conclusions:

This study provides novel data on the association between thyroid diseases and specific skin findings.
Highlights the increased prevalence of conditions like chronic urticaria and vitiligo in thyroid disease patients, especially with autoimmune involvement.