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Related Concept Videos

Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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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...
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Graves' Disease I: Introduction01:28

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...
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Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

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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,...
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Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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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...
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Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

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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...
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Goiter01:27

Goiter

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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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Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
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[Non-autoimmune thyroiditis].

Leonardo F L Rizzo1, Daniela L Mana, Oscar D Bruno

  • 1Dirección Médica Química Montpellier SA, Buenos Aires, Argentina.

Medicina
|January 3, 2015
PubMed
Summary
This summary is machine-generated.

This review focuses on non-autoimmune thyroiditis, a group of inflammatory thyroid conditions. It details clinical, diagnostic, and therapeutic strategies for these often-painless thyroid disorders.

Keywords:
Riedel thyroiditisamiodarone-induced thyroiditissubacute thyroiditis

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Area of Science:

  • Endocrinology
  • Immunology
  • Pathology

Context:

  • Thyroiditis encompasses diverse inflammatory thyroid conditions, both autoimmune and non-autoimmune.
  • Manifestations range from acute, painful thyroiditis to insidious forms presenting with dysfunction or goiter.
  • Non-autoimmune thyroiditis includes entities like drug-induced and Riedel thyroiditis.

Purpose:

  • To provide an updated clinical, diagnostic, and therapeutic overview of non-autoimmune thyroiditis.
  • To differentiate non-autoimmune thyroiditis from autoimmune forms.
  • To guide clinicians in managing patients with these specific thyroid inflammatory conditions.

Summary:

  • Non-autoimmune thyroiditis involves thyroid inflammation without direct autoimmune attack.
  • Clinical presentation varies, including painful acute forms and painless chronic forms with thyroid dysfunction.
  • Diagnosis relies on clinical, laboratory, and imaging findings, with tailored therapeutic approaches.

Impact:

  • Enhances understanding of non-autoimmune thyroiditis for improved patient diagnosis and management.
  • Contributes to the literature on thyroid inflammatory diseases.
  • Facilitates evidence-based clinical decision-making for thyroiditis treatment.