Clinical Features, Etiology, and 6-Month Prognosis of Isolated Corpus Callosum Infarction
Figure 4
Infarctions at different sites of the corpus callosum and their affected vessels. (a-d) Male, 69 years, left hemiparesis. Diffusion-weighted imaging (DWI) shows a new infarction of the right genu (a). Computed tomographic angiography (CTA) and digital subtraction angiography (DSA) reveal complete occlusion of the cavernous segment of the right internal carotid artery, collateral compensation from the left to the right anterior circulation via the anterior communicating artery, and severe stenosis of the A1 segment of right anterior cerebral artery (white arrow) (b-d). (e-f) Male, 75 years, right hemiplegia. DWI shows a new infarction of the left body (e). Magnetic resonance angiography (MRA) shows that the affected vessel is the severe stenotic pericallosal artery (white arrow) (f). (g-h) Female, 57 years, dizziness. DWI shows an isolated infarction of the right splenium (g). CTA shows that the P1 segment of right posterior cerebral artery has occluded (white arrow) (h).