Female, 70 years old, with history of breast cancer, triple negative, with possible brain metastases on head CT. Corresponding to the abnormality detected on CT, a 5 mm enhancing lesion is evident within the mid vermis with mild local edema.Although postcontrast imaging is somewhat limited due to motion, up to five additional small enhancing lesions are also suspected within the cerebellum, and a small enhancing focus is also seen within the right frontal lobe. These small lesions are associated with no significant parenchymal edema.A developmental venous anomaly is present in the right operculum. Patchy periventricular and brainstem T2 hyperintensity is seen in the background, a nonspecific finding which likely reflects chronic microvascular ischemic disease. No convincing evidence of restricted diffusion is evident. No acute intracranial hemorrhage or any abnormal extra-axial fluid collection is observed. The ventricles are normal in size and morphology.
Up to seven small enhancing lesions are evident, primarily within the posterior fossa, suspicious for metastatic disease. The largest lesion is in the cerebellar vermis and is associated with mild local edema.