Female, 52 years old, with headache and nausea, history of breast cancer status post metastasis. Since the prior examination, numerous small enhancing lesions have diminished in size or become undetectable. For reference, the left temporal lobe lesion which previously measured up to 7 mm now measures only 3 mm.No new enhancing lesions are detected. No significant parenchymal edema or mass effect is seen. A single small focus of T2 hyperintensity is seen within the right frontal white matter which may reflect a prior treated lesion or treatment effect. No intracranial hemorrhage or any abnormal extra-axial fluid collection is detected. The ventricular system is normal in size and morphology.Bone marrow signal characteristics are unremarkable. Patchy opacification of the mastoid air cells is seen.
Since the prior examination, multiple parenchymal metastatic lesions have diminished in size or become undetectable. No new lesions are seen. No intracranial findings are noted to account for the patient's symptoms.