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Related Concept Videos

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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Related Experiment Video

Updated: Nov 29, 2025

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
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Adenomatous hyperplastic intratracheal ectopic thyroid tissue: a case report.

Shiyang Liu1, Wanju Wang2, Lu Zhao1

  • 1Department of Thyroid and Breast Surgery, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China.

The Journal of International Medical Research
|November 20, 2020
PubMed
Summary
This summary is machine-generated.

Intratracheal ectopic thyroid (ITET) is a rare congenital abnormality. This case highlights the importance of considering ITET in patients with tracheal masses connected to the thyroid, especially when malignancy is suspected.

Keywords:
Intratracheal ectopic thyroidadenomatous hyperplasiadiagnosisectopicthyroidtreatment

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Area of Science:

  • Endocrinology
  • Thoracic Surgery
  • Pathology

Background:

  • Intratracheal ectopic thyroid (ITET) is a rare congenital abnormality.
  • ITET can mimic respiratory illnesses, leading to diagnostic challenges.

Observation:

  • A 61-year-old man presented with hemoptysis and a tracheal mass connected to the thyroid gland.
  • Imaging revealed a suspicious thyroid nodule, and bronchoscopic biopsy confirmed the tracheal mass's thyroid origin.

Findings:

  • Histopathology confirmed adenomatous hyperplastic ITET.
  • The orthotopic thyroid gland showed nodular goiter with atypical adenomatous hyperplasia.

Implications:

  • Clinical suspicion is crucial for diagnosing ITET in patients with tracheal tumors linked to the thyroid.
  • This case underscores the need for careful evaluation, especially when preoperative histopathology is inconclusive for malignancy.