Korean J Vet Res > Volume 58(2); 2018 > Article
Korean Journal of Veterinary Research 2018;58(2):107-109.
DOI: https://doi.org/10.14405/kjvr.2018.58.2.107    Published online July 2, 2018.
Ectopic migration of Dirofilaria immitis in a Eurasian otter (Lutra lutra) in Korea
Ji-Youl Jung1, Kyunghyun Lee1, Hyun-Ji Seo2, Yun Sang Cho2, Young-Dae Kim3, Ji-Hyeon Kim1, ByungJae So1, Eun-Jin Choi1
1Animal Disease Diagnostic Division, Animal and Plant Quarantine Agency
2Bacterial Disease Division, Animal and Plant Quarantine Agency
3Onnury Animal Clinic
Abstract
An 8-year-old female Eurasian otter (Lutra lutra) reared in a wetland center, died 2 h after sudden onset of astasia and dyspnea despite medical treatment. Gross examination of internal organs revealed 10 adult filarioid nematodes in the right ventricle of the heart and three between the left and right cerebral hemispheres. All nematodes were identified as Dirofilaria immitis by direct microscopy and polymerase chain reaction assay. Histopathological observation revealed multifocal hemorrhage in the cerebral subarachnoid space and focal necrosis with hemorrhage in the cerebellar parenchyma. Although rare, veterinarians should consider cerebral dirofilariasis as a differential diagnosis in unexplained neurological cases.
Key Words: Dirofilaria immitis, Eurasian otter, brain, ectopic migration


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