Pericallosal artery occlusion

Case contributed by Prashant Gupta
Diagnosis certain

Presentation

Sudden onset unilateral gait apraxia

Patient Data

Age: 65 years
Gender: Male

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

mri

Restricted diffusion and T2 hyperintensity in the right anterior cerebral artery territory. Occluded right pericallosal artery best demonstrated on VR.

Case Discussion

Pericallosal artery infarctions are a rare localization of stroke, mostly occurring as partial infarctions due to distal anterior cerebral artery pathology. Clinically, they are mainly characterized by hemiparesis predominately in the lower limb caused by involvement of supplementary motor cortex areas without affecting the corticospinal tract.

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