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Case report
Laryngeal oncocytic cystadenoma mimicking a combined laryngomucocele
  1. Pedro Salvador,
  2. Francisco Moreira da Silva and
  3. Rui Fonseca
  1. Department of Otorhinolaryngology, Hospital da Senhora da Oliveira Guimarães, Guimaraes, Portugal
  1. Correspondence to Dr Pedro Salvador; josepedrobsalvador{at}gmail.com

Abstract

Laryngeal oncocytic cystadenomas are rare benign tumours lined by oncocytic epithelium and arising from the salivary glands; they usually present as a supraglottic mass. Oncocytic changes are very uncommon in the larynx and occur mainly in ventricles and false vocal cords, where seromucinous glands predominate. The authors present the case of a 62-year-old woman who reported a 6-month history of hoarseness associated with a soft and non-compressible upper left side neck swelling. Transnasal fiberoptic laryngoscopy revealed a left submucosal supraglottic mass involving the false vocal fold and the vallecula, partially obstructing the airway. CT scan showed a homogeneous isodense cystic lesion centred at the left laryngeal ventricle, with extension through the thyrohyoid membrane. The patient was successfully managed by a lateral thyrotomy approach. Histopathological examination of the specimen revealed a papillary oncocytic cystadenoma and excluded malignancy. There was no evidence of recurrence after 9 months of follow-up.

  • ear
  • nose and throat/otolaryngology
  • otolaryngology / ENT

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Footnotes

  • Contributors PS takes full responsibility for the integrity of the data presented. FMS and RF contributed to the conception, analysis and interpretation of the data for the work. PS was responsible for the drafting of the manuscript and all the authors for revising it for important intellectual content.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer-reviewed.

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