An unusual lipomatous brain mass in a Golden Retriever dog.

A 9-year-old Golden Retriever dog was presented to the Veterinary Medical Center with a 3-week history of grand mal seizures and was subsequently euthanized. At autopsy, a discrete, firm, expansile mass was found in the right pyriform lobe, which compressed the ipsilateral hippocampus, thalamus, and cerebral cortex. Histologically, the mass was composed of well-differentiated adipose tissue supported by fibrous and mucinous stroma.

Necrotizing meningoencephalitis in a large mixed-breed dog.

Case Description: A 4-year-old 26-kg (57.2-lb) spayed female Staffordshire Bull Terrier mix was evaluated because of a 24-hour history of cluster seizures.

Clinical Findings: Neurologic examination revealed altered mentation and multifocal intracranial signs; MRI was performed.

Flavobacterium columnare: an important contributing factor to fish die-offs in southern lakes of Saskatchewan, Canada.

During June and July 2012, Buffalo Pound Lake and Blackstrap Lake in Saskatchewan, Canada were visited biweekly and surveyed for sick and dying fish. During this investigation, 2 fish kills were identified. Buffalo Pound experienced a large die-off of yellow perch (Perca flavascens) in June, while Blackstrap experienced a die-off of lake whitefish (Coregonus clupeaformis) in July.