Homonymous hemianopia in a pug with necrotising meningoencephalitis

A 24-month-old female pug, which had previously been treated for visual hemifield loss, was referred with generalised seizures and other neurological disorders. A diagnosis of necrotising meningoencephalitis was suggested from the clinical signs together with the results of computed tomography and cerebrospinal fluid examination. This was confirmed seven months later by histological examination of the brain following euthanasia. Typical histopathological lesions of the disease were found in various areas of both cerebral hemispheres, including the visual striated cortex of the right cerebrum.