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Title: | First occurrence of Arnold Chiari type II malformation and associated abnormalities in a Gir calf produced in vitro from Brazil: case report |
Other Titles: | Primeira ocorrência de malformação de Arnold Chiari tipo II e anormalidades associadas em uma bezerra Gir de produção in vitro no Brasil: relato de caso |
Keywords: | Neurological syndrome Reproductive biotechnology Congenital diseases Neuropathology Síndrome neurológica Biotecnologia reprodutiva Doenças congênitas Neuropatologia |
Issue Date: | Aug-2021 |
Publisher: | Universidade Federal de Minas Gerais (UFMG), Escola de Veterinária |
Citation: | TOMA, H. S. et al. First occurrence of Arnold Chiari type II malformation and associated abnormalities in a Gir calf produced in vitro from Brazil: case report. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, [S.l.], v. 73, n. 4, p. 916-922, July/Aug. 2021. DOI: 10.1590/1678-4162-12351 . |
Abstract: | This study characterized the clinical, radiological, ultrasound, and necroscopic findings of a case of Arnold-Chiari type II malformation in a Gir breed calf from Brazil. The animal was hospitalized at sixty days of age, in permanent sternal recumbency, cutaneous appendix at the 4th lumbar vertebra and kyphoscoliosis of the caudal and lumbosacral thoracic spine. Radiographic examination of the spine and skull revealed spina bifida and suspected occipital hypoplasia. Upon examination of myelography with an injection of lumbar and atlantooccipital contrast, it was possible to visualize the meningocele at the 4th lumbar vertebra region and findings at the rhombencephalon level of increased regional pressure with failure to fill the contrast in the posterior fossa, in the presence of clear demarcation of the circumvolutions of the cerebral cortex and the subarachnoid space of the cervical spinal cord. Ultrasonographic examination of the cerebellum showed an insinuation of the cerebellar worm through the foramen magnum. The animal did not show changes in complete blood count, biochemical series, and cerebrospinal fluid and was negative for Pestivirus. There was a worsening of the clinical conditions and the animal died. This malformation of unknown etiology must be studied as a differential diagnosis of the nervous system disorders. |
URI: | http://repositorio.ufla.br/jspui/handle/1/57256 |
Appears in Collections: | DMV - Artigos publicados em periódicos |
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