ISSN 2398-2950      

Larynx: neoplasia

ffelis

Introduction

  • Rare and usually malignant; either lymphoma or squamous cell carcinoma. Occasional thyroid tumor arising from ectopic thyroid tissue, adenoma or polyp.
  • Cause: feline leukemia virus involvement in lymphoma, otherwise unknown.
  • Signs: dyspnea, inspiratory stridor, dysphagia, dysphonia, collapse, ptyalism.
  • Diagnosis: based on history, clinical signs, laryngoscopy, radiography and histopathology.
  • Treatment: surgery, chemotherapy, radiotherapy.
  • Prognosis: guarded or poor.

Pathogenesis

Pathophysiology

  • Laryngeal or extralaryngeal neoplasia   →   interference with respiratory airflow.
  • Interference with swallowing   →   dysphagia/aspiration pneumonia.

Timecourse

  • Usually short following diagnosis.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Carlisle C H, Biery D N & Thrall D E (1991) Tracheal and laryngeal tumors in the dog and cat - literature review and 13 additional patients. Vet Rad 32 (5), 229-235 VetMedResource.
  • Saik J E, Toll S L, Diters R W et al (1986) Canine and feline laryngeal neoplasia a 10 year survey. JAAHA 22 (3), 359-365 VetMedResource.

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