Astrocytoma in an African hedgehog (Atelerix albiventris) suspected wobbly hedgehog syndrome.

Miwa Exotic Animal Hospital, Tokyo, Japan.
Journal of Veterinary Medical Science (Impact Factor: 0.88). 05/2011; 73(10):1333-5. DOI: 10.1292/jvms.10-0341
Source: PubMed

ABSTRACT A 28-month-old African hedgehog was referred to our hospital with progressive tetraparesis. On the first presentation, the hedgehog was suspected as having wobbly hedgehog syndrome (WHS) and the animal was treated with medication and rehabilitation. The animal died 22 days after onset. Pathological examination revealed that the animal was involved in astrocytoma between the medulla oblongata and the spinal cord (C1). This report indicates that a primary central nervous system tumor should be considered as one of the differential diagnoses for hedgehogs presenting with progressive paresis, together with WHS.

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    ABSTRACT: This report describes an oligoastrocytoma in the brain of a 3.5-year-old female pet African hedgehog (Atelerix albiventris) that showed progressive central nervous system signs for 6 months. Microscopical examination of the brain revealed a widely infiltrative, deep-seated glioma within the white matter of the cerebral hemispheres, basal nuclei, hippocampus, thalamus, midbrain, pons and the medulla of the cerebellum with extension of neoplastic cells into the cerebral cortex and overlying leptomeninges. Morphological features of the neoplastic cells, together with variable immunohistochemical expression of glial fibrillary acidic protein, Olig-2 and Nogo-A, indicated the presence of intermingled astrocytic and oligodendroglial tumour cells with an astrocytic component of approximately 40% consistent with an oligoastrocytoma. The distribution of the tumour is consistent with gliomatosis cerebri.
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