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Arch Neurol. 2004;61:1461.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Two patients developed an acute inability to stand or walk and a tendency to fall backward without dysarthria, limb ataxia, or other neurological or cerebellar signs. An acute infarction of the rostral vermis (in the territory of the medial branches of the superior cerebellar artery) was confirmed with diffusion-weighted magnetic resonance imaging (Figure). Both patients improved and could walk in 4 to 7 days.

Figure appears in full text version. Figure. Diffusion-weighted magnetic resonance images of a 62-year-old man (A) and an 81-year-old man (B) showing infarction of the rostral end of the cerebellar vermis (arrows). Both patients developed acute isolated gait ataxia. Results of magnetic resonance angiography were normal.

Infarcts of the medial branches of the superior cerebellar artery are very rare and have been reported to typically manifest with combinations of gait and appendicular ataxia, dysarthria, and/or spontaneous posturing of the limbs, neck, and trunk.^1-2 Infarcts in this vascular distribution should be . . . [Full Text of this Article]

AUTHOR INFORMATION
Suraj Ashok Muley, MBBS; Khalafalla O. Bushara, MD

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