Female, 66 years old, history lung cancer and brain metastases. Numerous parenchymal metastases are redemonstrated, predominantly within the supratentorial compartment. Since the prior examination, all lesions show a reduction in the size of enhancement and reduction in the degree of associated parenchymal edema. For reference purposes, a lesion in the right occipital lobe measures 10 mm in maximal diameter, previously 18 mm. No new or growing lesions are detected.Brain morphology is otherwise unremarkable. No significant generalized mass-effect or midline shift is seen. Some of the parenchymal lesions are associated with mild susceptibility artifact compatible with blood product, but no large or significant intracranial hemorrhage is detected. There are no abnormal extra axial fluid collections. The ventricular system is normal in size and morphology.
Response to therapy with interval reduction in the size of numerous parenchymal metastases as well as a reduction in associated edema. No new or growing lesions are detected