Laryngeal Oedema

Laryngeal oedema in a cat (Image sourced from Bristol Biomed Image Archive with permission)

• In Horses:
• Can quickly become a medical emergency because of obstruction to airflow
• Causes of laryngeal oedema include:
  • Mucosal irritants
  • Trauma
  • Acute respiratory infections
  • Anaphylaxis or localised hypersensitivity responses
• = in 'gut oedema' in pigs
• Unknown aetiology in feedlot cattle - also tracheal oedema
• Seen in hot weather and with exercise
• May be due to trauma, tracheal compression, inhaled dust and toxins, acute inflammation (acute interstitial pneumonia)
• In horses wit purpura haemorrhagica
• In cats with systemic anaphylaxis
• Gross: thickened laryngeal mucosa, gelatinous appearance

Test yourself with the Larynx Pathology Flashcards

Larynx Pathology Flashcards