Feline Tracheal Tumors

  • Primary tracheal neoplasms are rare in cats
  • Tracheal tumors in cats include LSA, SCC, ADC, leiomyosarcoma, and adenoma
  • Secondary involvement of the trachea with mediastinal LSA has been reported
  • Mean age 9.5 years


+ Clinical Signs

  • Paroxysmal intermittent coughing of several weeks duration
  • Progressive worsening of dyspnea, stridor, and exercise intolerance
  • Pccasional retching produces hemorrhagic discharge
  • Respiratory signs usually evident when > 50% diameter of airway obstructed
  • Large masses may be palpable especially in the dog

+ Imaging

  • Survey ± contrast bronchography with survey radiographs usually sufficient due to size of lesions at diagnosis
  • Other radiographic signs include pulmonary over-expansion, flattening of the diaphragm, and prominent pulmonary vasculature secondary to increased air content in the lower airways
  • Tracheoscopy provides positive diagnosis with samples collected for brush cytology and histopathology
  • CT or MRI used in humans


+ Surgical Resection

  • Resection and anastomosis
  • ± tracheal wall reconstruction or stenting

+ Other Treatment Options

  • Radiation therapy
  • Chemotherapy
  • Endoscopic removal
  • Photodynamic therapy

+ Prognosis

  • Benign tracheal neoplasms have a good prognosis following complete resection
  • Prognosis is good for cats with tracheal tumors:
  • Survival times for LSA > 1-21 months
  • Survival times for ADC > 3-12 months