Posterior paresis due to a malignant lymphoma in a goat
2011
Braun, U. | Tschuor, A.C., Universitaet Zuerich, Zuerich (Switzerland). Departement fuer Nutztiere | Sydler, T.
This report describes a 4-year-old goat with posterior paresis and subsequent paralysis caused by malignant lymphoma. The goat was referred to our clinic because of progressive posterior ataxia, which developed into posterior paresis and paralysis. The goat was presented in sternal recumbency but was able to assume a dog-sitting position. A neurological examination revealed reduced sensitivity to pricking of the skin with a needle, and a bilateral reduced panniculus reflex. The cerebrospinal fluid was slightly cloudy with increases in the protein concentration and leukocyte count, which consisted of 98 % lymphocytes, 1 % monocytes and 1 % neutrophils; three cells had mitotic figures. Based on the clinical findings, a tentative diagnosis of central nervous system disease of the thoracolumbar spinal cord was made, and euthanasia and postmortem examination were carried out. The lymph nodes in the ileosacral region appeared as a 15 × 12 × 5 cm confluent mass, which involved the ventral vertebral column and infiltrated the spinal canal. Histological examination of the tumour yielded a diagnosis of microcytic malignant lymphoma.
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