Clinical features and outcome of acquired myasthenia gravis in 94 dogs.

Background: Factors known to be associated with outcome of acquired myasthenia gravis (MG) in dogs are limited.

Hypothesis/objectives: Of dogs with MG, advancing age and comorbid neoplasia are associated with poor long-term prognosis and low rates of remission.

Animals: Ninety-four client-owned dogs with MG diagnosed by acetylcholine receptor antibody (AChR Ab) assay between 2001 and 2019 from a university clinic and 3 private clinics in the United States.