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Pediatric upper airway obstruction due to ectopic thyroid: classification and case reports.

L R Chanin1, L M Greenberg

  • 1Department of Otolaryngology, Children's Hospital of Michigan, Detroit 48201.

The Laryngoscope
|April 1, 1988
PubMed
Summary

Ectopic thyroid tissue, though uncommon, can cause pediatric upper airway obstruction. This review covers four types, including the first reported pediatric intratracheal thyroid case, highlighting diagnostic and anatomical considerations.

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Area of Science:

  • Pediatric Otolaryngology
  • Endocrinology
  • Developmental Anatomy

Background:

  • Pediatric upper airway obstruction (UAO) is a critical clinical challenge.
  • Common causes of UAO are well-documented, but rare etiologies require further recognition.
  • Ectopic thyroid tissue presents an unusual cause of UAO.

Observation:

  • Two cases of pediatric ectopic thyroid causing airway obstruction are presented.
  • One case represents the first reported instance of pediatric intratracheal thyroid.
  • The spectrum of ectopic thyroid presentation and its airway impact are illustrated.

Findings:

  • Ectopic thyroid can manifest as lingual, sublingual, thyroglossal, or intralaryngotracheal.
  • Intralaryngotracheal thyroid development theories are discussed.

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  • Ectopic thyroid's variable relationship to the airway can lead to diverse obstruction patterns.
  • Implications:

    • Increased awareness of ectopic thyroid as a cause of pediatric UAO is crucial for timely diagnosis.
    • Understanding the developmental anatomy aids in explaining ectopic thyroid formation.
    • This review provides a comprehensive resource for clinicians managing pediatric airway emergencies.