Male, 69 years old, with brain metastasis status post radiotherapy. Surveillance exam. Evidence of prior surgery is again seen in the right operculum. A small rim-enhancing, hemosiderin stained cavity or cyst within the opercular tissues is unchanged in size and morphology. The degree of surrounding T2 hyperintensity is also unchanged. Mild T2 hyperintensity along the right dentate nucleus is also unchanged. No new enhancing lesions are seen. Ill-defined bilateral periventricular T2 hyperintensity is unchanged. No significant edema or mass effect is detected. Ventricular size and morphology are within normal limits.
Stable postoperative and posttreatment findings with no new or growing lesions.