Postanoxic parkinsonism: Clinical, radiologic, and pathologic correlation

The authors report a 72-year-old patient who presented with parkinsonism af ter hypoxic-ischemic insult. T1-weighted MRI revealed high signal intensity lesions in the basal ganglia. Pathologic study of the brain disclosed mult iple foci of old infarcts with gliosis and lipid-laden and hemosiderin-lade n macrophages, indicating a previous minor hemorrhage after infarction. Thi s observation provided pathologic correlation with the patient's clinical s ymptoms and MRI.