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Eosinophilic Granuloma Complex | Dogs

Transmission or Cause

The cause is unknown however there is some evidence that the lesions could be due to an underlying hypersensitivity or may be a genetic disease.

Affected Animals

This is a rare disease in dogs. Dogs of any age, breed, or sex can be affected however Siberian huskies and Cavalier King Charles spaniels, dogs under 3 years old, and males seem to have a higher incidence of the disease.

Overview

A rare disease in dogs that usually affects the mouth but can affect the skin.

Clinical Signs

The lesions are usually seen in the mouth but can also occur on the skin. Lesions in the mouth are seen on the palate or on the tongue. On the palate, the lesions can be ulcerated and form slightly raised, red areas and on the tongue are mass-like and can have a greenish color. They less commonly occur on the skin, usually on the belly.

Symptoms

See Clinical Signs.

Description

Rare disease in dogs that usually affects the mouth but can affect the skin.

Diagnosis

The diagnosis is based on clinical signs, biopsy and sometimes culture.

Prognosis

The prognosis is good. Usually, the lesions resolve after treatment however they may recur.

Treatment

Most lesions will respond well to steroids such as prednisone and some may spontaneously regress.

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Close-up of a dog's lip showing depigmentation from eosinophilic granuloma complex at a veterinary dermatology clinic in Lacey
Inside of a dog's mouth showing raised oral lesions from eosinophilic granuloma complex at a veterinary dermatology clinic in Lacey
Close-up of a dog's palate with ulcerative lesions caused by eosinophilic granuloma complex at a veterinary dermatology clinic in Lacey