DEFINITION/OVERVIEW

• An uninhibited, excessive immune inflammatory response affecting the oral cavity in cats
  
• Marked caudal mucositis extending into submucosal tissues (Fig. 50-1)

Figure 50-1 Caudal stomatitis/mucositis.

(Image courtesy of AVDC Nomenclature “Oral and Oropharyngeal Inflammation”: http://avdc.org/nomenclature.html)

ETIOLOGY/PATHOPHYSIOLOGY

• Cause unknown; bacterial, viral (calici virus), and immunologic etiologies (bacterial persistence) suspected
  
• Significant findings of feline coronavirus in one study
  
• Immunosuppression from feline leukemia virus (FeLV) or feline immunodeficiency virus (FIV) can also lead to nonresponsive infections; most affected cats are negative for FeLV and FIV

SIGNALMENT/HISTORY

• Cats
  
• Purebred breeds predisposed: Abyssinian, Persian, Himalayan, Burmese, Siamese, and Somali

CLINICAL FEATURES

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