Introduction

• Cause: a rare, erosive, immune-mediated arthritis and splenomegaly (2 cases have been reported in the dog) Arthritis: immune-mediated Arthritis: erosive.
• Signs: progressive swelling, pain, stiffness and lameness of one or more joints.
• Diagnosis: radiography, cytopathology.
• Treatment: suppression of immune response and control of inflammation.
• Prognosis: poor - therapy may preserve quality of life but euthanasia may be necessary.

Pathogenesis

Etiology

• Unknown.

Pathophysiology

• Immune-mediated.

Diagnosis

Treatment

Outcomes