Seizures due to polycythemia: Review of literature and case report
1998
Faissler, D. | Fatzer, R. | Jaggy, A. (Institut fuer Tierneurologie, Bern (Switzerland)) | Griot-Wenk, M.E. | von Tscharner, C. | Aberle-Thiemann, B.
Polycythemia - characterized by an excessive number of erythrocytes - is a rare disease in the dog with a chronic progressive course and unspecific symptoms. There are several forms: a primary, a secondary adequate or a secondary inadequate polycythemia. The clinical workup is done step by step and after stabilization of critical patients, the remaining therapy must address the primary cause. We report on a five year old male Leonberger dog suffering from secondary, inadequate polycythemia. He was presented with apathy, gait disturbances and disorientation. Initially focal seizures became generalized later, most probably because of formation of a forebrain thrombus with secondary hypoxia. Even after emergency treatment the general state deteriorated. The course indicated possible sepsis. Because of the critical picture with secondary complications and the poor prognosis, the dog was euthanised. The histopathological results showed T-cell renal lympoma and secondary injury to the forebrain.
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