Legend Axial FLAIR images demonstrate patchy regions of hyperintensity mostly within the medial cortex of the left hemisphere along the left anterior cerebral artery territory. Abnormal hyperintensity is also present in the genu of the corpus callosum on the left.

Legend Left: Axial DWI and ADC map show a region of restricted diffusion in the left genu of corpus callosum. Right: 3D TOF MRA of Circle of Willis show abrupt cut off of the A2 segment of the left anterior cerebral artery. Key words: mri dwi mra stroke infarction ischemia vascular

Brain Diagnosis: Lupus arteritis with left anterior cerebral artery occlusion & acute infarct in the corpus callosum