Medulloblastoma status post craniotomy and chemoradiation: surveillance scan. BRAIN: There are postsurgical findings related to right cerebellar medulloblastoma resection. The resection cavity and surrounding cerebellar encephalomalacia. There is no abnormal enhancement in the region of the resection bed. There is no evidence of acute intracranial hemorrhage or acute infarct. The ventricles and sulci are unchanged in size and configuration. There is no midline shift or herniation. There are bilateral maxillary sinus retention cysts.SPINE: There is no abnormal intraspinal enhancement to suggest drop metastasis. The cord is normal in caliber and signal. The conus terminates at the L1 level. The vertebral body height and sagittal alignment is preserved. The intervertebral discs are intact. There is no central canal or neural foraminal narrowing. The paraspinal tissues are unremarkable.
No evidence of recurrent tumor or drop metastasis.