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Related Concept Videos

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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Hyperthyroidism I: Introduction01:25

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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 II: Pathophysiology01:24

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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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Graves' Disease I: Introduction01:28

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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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Hypothyroidism II: Pathophysiology01:23

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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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The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
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Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis
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Thyroid disorders in women.

H Li1, J Li

  • 1Department of Endocrinology and Metabolism, Institute of Endocrinology, the First Affiliated Hospital, China Medical University, Liaoning Provincial Key Laboratory of Endocrine Diseases, Shenyang, P. R. China - lijingendocrine@126.com.

Minerva Medica
|February 11, 2015
PubMed
Summary
This summary is machine-generated.

Thyroid disorders disproportionately affect women due to hormonal influences and X chromosome factors. Estrogen directly impacts thyroid tissue, increasing risks for goiter, nodules, and cancer in females.

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Area of Science:

  • Endocrinology
  • Immunology
  • Oncology

Background:

  • Thyroid disorders, including autoimmune thyroid diseases (AITD), goiter, nodules, and cancer, exhibit a notable female predominance.
  • Autoimmune thyroid diseases (AITD) primarily encompass autoimmune thyroiditis and Graves disease.
  • The prevalence of thyroid disorders is significantly higher in women, with female-to-male ratios ranging from 3-4:1 for nodules and 4-6:1 for AITD.

Purpose of the Study:

  • To explore the underlying reasons for the higher prevalence of thyroid disorders in women.
  • To investigate the specific roles of female gonadal hormones and X chromosome inactivation in thyroid disease pathogenesis.
  • To elucidate the direct effects of estrogen on thyroid tissue development and disease progression.

Main Methods:

  • Review of existing literature on thyroid disorders and their epidemiological characteristics.
  • Analysis of the influence of female gonadal hormones, specifically estrogen and prolactin.
  • Examination of the impact of X chromosome inactivation on immune system regulation and thyroid function.

Main Results:

  • Female gonadal hormones and X chromosome inactivation are key contributors to the female predilection of AITD.
  • Estrogen has direct effects on thyroid tissue, promoting the development of goiter, nodules, and cancer in women.
  • The prevalence of papillary thyroid cancer (PTC) is highest during reproductive age and decreases significantly in older age groups.

Conclusions:

  • Female hormonal profiles and genetic factors significantly increase susceptibility to thyroid disorders.
  • Estrogen plays a direct role in the pathogenesis of various thyroid conditions in women.
  • Understanding these sex-based differences is crucial for targeted prevention and treatment strategies for thyroid diseases.