期刊
ARQUIVOS DE NEURO-PSIQUIATRIA
卷 63, 期 2A, 页码 321-323出版社
ASSOC ARQUIVOS NEURO- PSIQUIATRIA
DOI: 10.1590/S0004-282X2005000200022
关键词
hypertrophic olivary degeneration; palatal tremor; cerebellar infarction; denervation supersensitivity
We describe a case of bilateral olivary hypertrophy and palatal tremor after unilateral cerebellar infarction. Hypertrophic olivary degeneration (HOD) is associated with hypersignal in the inferior olivary nucleus (ION), on T2-weighted images. HOD has been more often observed ipsilaterally to a central tegmentum tract lesion or contralaterally to a dentate nucleus or a superior cerebellar peduncle lesion. Double innervation of each ION from either dentate nucleus may have underlied the imaging and clinical findings in this 63 year-old male patient.
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