Female, 71 years old, with right arm ataxia, history of cerebral aneurysm and stroke. Numerous foci of T2 hyperintensity are seen, predominantly within the periventricular white matter but with a few also evident in the subcortical regions. No evidence of restricted diffusion is seen. No significant mass effect is detected. Some of the lesions, particularly in the left basal ganglia, show evidence of mild hemosiderin staining. Otherwise, no significant intracranial hemorrhage or abnormal extra-axial fluid is detected. The ventricular system is normal in size and morphology. Artifact is seen within the anterior interhemispheric fissure and in the right paraclinoid region compatible with aneurysm coiling.
1.No acute intracranial abnormality.2.Sequelae of numerous prior lacunar and microvascular ischemic lesions particularly involving the left basal ganglia.