Truncal ataxia from infarction involving the inferior olivary nucleus
Park, JH; Ryoo, S; Moon, SY; Seo, SW; Na, DL
Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association, 21(6):507-508, 2012
Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association
Truncal ataxia in medullary infarction may be caused by involvement of the lateral part of the medulla; however, truncal ataxia in infarction involving the inferior olivary nucleus (ION) has received comparatively little attention. We report a patient with truncal ataxia due to medial medullary infarction located in the ION. A lesion in the ION could produce a contralateral truncal ataxia due to increased inhibitory input to the contralesional vestibular nucleus from the contralesional flocculus.
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