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Congenital interarytenoid web.

B Benjamin1, E A Mair

  • 1Royal Alexandra Hospital for Children, Sydney, Australia.

Archives of Otolaryngology--Head & Neck Surgery
|October 1, 1991
PubMed
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Congenital interarytenoid webs are rare airway obstructions restricting vocal cord movement. This review details their features, diagnosis, and management in 16 cases, noting associated laryngeal anomalies.

Area of Science:

  • Otolaryngology
  • Pediatric Surgery
  • Medical Genetics

Background:

  • Congenital interarytenoid web is a rare laryngeal anomaly.
  • It arises from the persistence of embryonic interarytenoid layers.
  • This condition restricts vocal cord abduction.

Purpose of the Study:

  • To review the clinical features, diagnostic evaluation, and management of congenital interarytenoid webs.
  • To describe associated anomalous laryngeal features.
  • To highlight the previously undescribed association of four specific features.

Main Methods:

  • Retrospective review of 16 cases over 15 years.
  • Clinical data collection on features, diagnosis, and management.
  • Direct laryngoscopy for diagnostic evaluation.

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Main Results:

  • All patients presented with an interarytenoid web.
  • Associated anomalies included subglottic stenosis, enlarged arytenoids, and airway difficulties during procedures.
  • The combined presence of these four features was previously undescribed.

Conclusions:

  • Congenital interarytenoid webs present with unique associated laryngeal anomalies.
  • Diagnosis requires careful direct laryngoscopy focusing on the posterior larynx.
  • Tracheotomy may be necessary long-term due to lack of definitive surgical correction.