Trachea: neoplasia

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Sections available in full article Introduction, Presenting signs, Age predisposition, Breed predisposition, Special risks (e.g. anesthetic), Pathogenesis, Etiology, Pathophysiology, Diagnosis, Client history, Clinical signs, Diagnostic investigation, Confirmation of diagnosis, Gross autopsy findings, Differential diagnosis, Treatment, Standard treatment, Monitoring, Sequelae, Prognosis, Expected response to treatment, Reasons for treatment failure,
Contributors

Introduction

  • Rare.
  • Signs : if malignant, often extensive and with metastases.
  • Diagnosis : radiography, ultrasonography, endoscopy.
  • Treatment : resection if small, benign lesions.
  • Prognosis : depends on type of neoplasia.

Diagnosis

Clinical signs

  • Respiratory stridor.
  • Dyspnoea.

Diagnosis

Differential diagnosis

  • Tracheal foreign body.
  • Laryngeal paralysis.
  • Laryngeal neoplasia.
  • Lung neoplasia.

Sequelae

Prognosis

  • Good if surgical resection is complete.
  • Very good for osteochondroma if successfully resected.

Expected response to treatment

  • Resolution of clinical signs.

Reasons for treatment failure

  • Failure to resect tumor.
  • Regrowth of tumor.
  • Airway obstruction during surgery.

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