Diptheritic Inflammation

• Diphtheritic exudate a more severe form of fibrinous exudate in which there is considerable necrosis of the underlying tissues.
• Diptheritic exudate is firmly adherent to the underlying tissue.
  • Attempts at removal cause tearing of this tissue>
• Commonly seen with internal surface fungal infections.
  • E.g. in the nose of the dog and the guttural pouch of the horse.
  • Fungal toxins penetrate the underlying tissue causing coagulation necrosis.