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Related Experiment Videos

Dual ectopic thyroid.

S H Baik1, J H Choi, Heung-Man Lee

  • 1Korea University, College of Medicine, Department of Endocrinology, Seoul.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|April 17, 2002
PubMed
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Correction: Clinical and imaging features of ethmomaxillary sinus compared to Haller's cell.

European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·2023
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Clinical and imaging features of ethmomaxillary sinus compared to Haller's cell.

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Ectopic thyroid, thyroid tissue outside the neck, is rare. This case highlights dual ectopic thyroid in the tongue and below the hyoid bone, emphasizing the need for imaging to prevent misdiagnosis and unnecessary surgery.

Area of Science:

  • Embryology
  • Endocrinology
  • Surgical Pathology

Background:

  • Ectopic thyroid is a rare congenital anomaly where thyroid tissue forms outside its normal location.
  • It arises from aberrant descent of the thyroid primordium from the foramen cecum.
  • Lingual thyroid is the most common presentation, accounting for 70% of cases.

Observation:

  • This report details an extremely rare instance of dual ectopic thyroid tissue.
  • The patient presented with thyroid tissue in both the lingual and infrahyoid regions, with no pre-tracheal thyroid tissue.
  • A 15-year-old girl was initially considered for thyroglossal duct cyst surgery.

Findings:

  • Pre-operative imaging, including computed tomography (CT) and thyroid scans, identified the dual ectopic thyroid.

Related Experiment Videos

  • This diagnosis prevented an unnecessary surgical intervention for a presumed thyroglossal duct cyst.
  • The absence of normal thyroid tissue underscores the significance of ectopic presentation.

    • Implications:

    • Routine thyroid screening with imaging (thyroid scan plus CT or ultrasonogram) is crucial for patients with suspected ectopic thyroid.
    • Accurate pre-operative diagnosis can prevent unnecessary surgeries for conditions like thyroglossal duct cysts.
    • Understanding embryological pathways is key to diagnosing rare thyroid developmental anomalies.