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Acute rhombencephalitis: neuroimaging evidence
Y Sugiyama1, M Honma, T Yamamoto
1Department of Neurology, School of Medicine, Fukushima Medical University.
Following a high fever, a healthy woman became comatose within a few days. Severe cerebellar symptoms appeared when she regained consciousness. The brain MRIs revealed abnormal signal intensity of the cerebellar cortex and brainstem gray matter, however, no abnormalities were revealed in the cerebral hemispheres. Acute inflammation due to direct viral or autoimmune involvement of the cerebellar and brainstem gray matter was a likely explanation and thus acute cerebellitis may in fact be a rhombencephalitis. Among the previous reports of acute cerebellar ataxia, this is perhaps one of the most profoundly affected cases and appears important for the understanding of the target of this particular form of encephalitis.
Following a high fever, a healthy woman became comatose within a few days. Severe cerebellar symptoms appeared when she regained consciousness. The brain MRIs revealed abnormal signal intensity of the cerebellar cortex and brainstem gray matter, however, no abnormalities were revealed in the cerebral hemispheres. Acute inflammation due to direct viral or autoimmune involvement of the cerebellar and brainstem gray matter was a likely explanation and thus acute cerebellitis may in fact be a rhombencephalitis. Among the previous reports of acute cerebellar ataxia, this is perhaps one of the most profoundly affected cases and appears important for the understanding of the target of this particular form of encephalitis.