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Related Concept Videos

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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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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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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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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The Thyroid Gland01:23

The Thyroid Gland

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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...
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Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
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Thyroiditis: an integrated approach.

Lori B Sweeney1, Christopher Stewart2, David Y Gaitonde3

  • 1Virginia Commonwealth University Health System, Richmond, VA, USA.

American Family Physician
|September 25, 2014
PubMed
Summary
This summary is machine-generated.

Thyroiditis, including Hashimoto, postpartum, and subacute types, involves thyroid gland inflammation. Treatments vary from levothyroxine for hypothyroidism to NSAIDs for pain, aiming to manage thyroid dysfunction and symptoms.

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Area of Science:

  • Endocrinology
  • Immunology
  • Internal Medicine

Background:

  • Thyroiditis is a broad term for thyroid gland inflammation, encompassing several distinct clinical conditions.
  • Common forms include Hashimoto thyroiditis, postpartum thyroiditis, and subacute thyroiditis, each with unique presentations and etiologies.

Purpose of the Study:

  • To provide a comprehensive overview of thyroiditis, detailing its common forms, clinical manifestations, and management strategies.
  • To elucidate the diagnostic features and therapeutic interventions for Hashimoto, postpartum, and subacute thyroiditis.

Main Methods:

  • Review of clinical presentations, diagnostic markers (e.g., thyroid peroxidase antibody, thyroid-stimulating hormone levels), and treatment protocols for various thyroiditis types.
  • Discussion of the pathophysiology, including autoimmune processes and inflammatory responses triggered by viral illnesses.

Main Results:

  • Hashimoto thyroiditis typically presents with goiter, hypothyroidism, and elevated thyroid peroxidase antibodies, managed with levothyroxine.
  • Postpartum thyroiditis involves transient or persistent thyroid dysfunction post-childbirth, requiring monitoring and potential levothyroxine or beta-blocker treatment.
  • Subacute thyroiditis is a transient thyrotoxic state often following viral illness, characterized by neck pain and low radioactive iodine uptake, treated with NSAIDs.

Conclusions:

  • Effective management of thyroiditis involves accurate diagnosis based on clinical and laboratory findings, followed by tailored therapeutic approaches.
  • Treatment aims to restore euthyroidism, alleviate symptoms, and prevent long-term complications associated with thyroid dysfunction.