Optic chiasm B‐cell lymphoma in a 20‐month‐old Mastiff dog


A 20‐month‐old intact female Mastiff dog presented for evaluation of acute blindness. Computed tomography confirmed a tumor involved the optic chiasm and optic nerves. A B‐cell lymphoma was confirmed with postmortem examinations. This case report documents a central nervous system neoplasm in a young dog. (Source: Veterinary Ophthalmology)