Cerebral infarction, unspecified [I63.9], Reason for Study: ^Reason: eval s/p rt mca stroke History: lt side weakness, lt sided facial droop Brain MRI:There is no evidence of acute ischemic or hemorrhagic lesion.There are multiple scattered high signal intensity lesions on bihemispheric white matter which are non specific.The ventricles, sulci and cisterns are symmetric and unremarkable. There is no mass, mass effect, edema, midline shift, intra or extra-axial fluid collection/hemorrhage, restricted diffusion/acute ischemia. The midline structures and cranial-cervical junction are normal. Normal flow voids are identified in the major intracranial vessels. The paranasal sinuses and mastoid air cells are clear.Brain MRA3D time of flight MOTSA MRA brain images with maximum intensity projections of the anterior/posterior intracranial circulation demonstrate significant in flow signal drop on the right MCA proximal M2 segment. This finding may represent an artifacts due to arterial tortuosity but could also represent focal luminal stenosis. Therefore, if clinically indicated CT angiography of head can be considered.Left ICA, ACA and MCA appears to be normal. And Vertebrobasilar system appears to be normal.There is no evidence of intracranial arterial aneurysm.
1. No evidence of acute ischemic or hemorrhagic lesion.2. Focal signal drop on the right MCA proximal M2 segment which could be either an artifact or focal luminal stenosis. Thus if clinically indicated, CTA of head could be considered. 