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Related Concept Videos

The Thyroid Gland01:23

The Thyroid Gland

9.1K
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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Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

7.1K
The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
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The Parathyroid Glands00:59

The Parathyroid Glands

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The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
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Chronic Pharyngitis01:23

Chronic Pharyngitis

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Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
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Outcome Of First-Line Chemotherapy For Anaplastic Thyroid Cancer - A Multicenter Registry Analysis.

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Related Experiment Video

Updated: Apr 15, 2026

Mixed Reality Assisted Radical Endoscopic Thyroidectomy
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Mixed Reality Assisted Radical Endoscopic Thyroidectomy

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[Therapy of thyroid nodules].

Matthias Schott1

  • 1Funktionsbereich Spezielle Endokrinologie, Universitätsklinikum Düsseldorf.

Deutsche Medizinische Wochenschrift (1946)
|April 2, 2015
PubMed
Summary

Thyroid nodules are common, with most being benign. Treatment for benign nodules often involves iodine supplementation, while larger or hyperthyroid nodules may require combination therapy or radioiodine treatment.

Area of Science:

  • Endocrinology
  • Radiology
  • Oncology

Context:

  • Thyroid nodules are highly prevalent in Germany, affecting approximately 25% of the population.
  • The majority of detected thyroid nodules are benign.
  • Malignancy indicators include hypoechogenicity, microcalcifications, irregular margins, and increased blood perfusion.

Purpose:

  • To outline diagnostic signs of thyroid malignancy.
  • To discuss treatment strategies for benign and malignant thyroid nodules.
  • To differentiate management approaches for subclinical versus manifest hyperthyroidism.

Summary:

  • Benign thyroid nodules generally do not require strict treatment indications; iodine supplementation is often sufficient.
  • Combination therapy with levothyroxine and iodine is effective for larger nodules.

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  • Subclinical hyperthyroidism may not need treatment, but manifest hyperthyroidism typically requires antithyroid drug therapy.
  • Radioiodine therapy is indicated for unifocal autonomous adenomas, and surgery is common for significantly enlarged thyroid glands.

    • Impact:

    • Provides a concise overview of thyroid nodule diagnosis and management.
    • Highlights key indicators for differentiating benign from malignant thyroid nodules.
    • Clarifies treatment pathways for various thyroid conditions, including hyperthyroidism and autonomous adenomas.