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Thiamine Deficiency Encephalopathy, Midbrain, Caudal Colliculi, Dog.
In the dog, lesions of thiamine deficiency encephalopathy are generally restricted to the brainstem. Note the symmetrically cavitated (malacic) lesions in the caudal colliculi (arrows) resulting from neuronal necrosis.
(Courtesy Dr. J. Edwards, College of Veterinary Medicine, Texas A&M University; and Dr. J. King, College of Veterinary Medicine, Cornell University.)
