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Related Concept Videos

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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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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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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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 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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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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Minimal Invasive Resection of Large Retrosternal Thyroid Goiter
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[Multinodular goitre: not always harmless].

Lyanne Dam1, Klaas H in 't Hof, Natalie Smit

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Summary

Multinodular goitre management varies. This report details two cases, one treated with radioactive iodine and another with surgery, highlighting individualized treatment for thyroid conditions.

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Area of Science:

  • Endocrinology
  • Surgical Oncology
  • Nuclear Medicine

Background:

  • Multinodular goitre (MNG) presents variably, often with compressive symptoms due to tracheal deviation.
  • Current treatment guidelines for MNG are lacking, necessitating individualized patient assessment.
  • Key treatment modalities include radioactive iodine therapy and surgical resection.

Observation:

  • This report presents two cases of MNG with prolonged, progressive symptoms.
  • Patient A, aged 66, experienced successful treatment with radioactive iodine.
  • Patient B, aged 77, underwent a total thyroidectomy for MNG management.

Findings:

  • Both radioactive iodine and surgical resection can be effective in managing multinodular goitre.
  • Treatment success depends on individual patient factors, including age and symptom severity.
  • Prompt diagnosis through imaging is crucial for determining appropriate intervention timing.

Implications:

  • Individualized treatment strategies are essential for optimal outcomes in multinodular goitre patients.
  • Further research is needed to establish definitive treatment guidelines for MNG.
  • Understanding the efficacy of different treatment modalities can guide clinical decision-making.