 BRAIN: There are postoperative findings related to posterior fossa tumor resection without evidence of recurrent tumor. There is an unchanged peripherally-enhancing subcentimeter cystic pineal gland. There is no evidence of acute infarction. The ventricular system is unchanged in size and configuration. There is no midline shift. The major cerebral flow voids are intact. The skull and extracranial structures appear unchanged.SPINE: There is no abnormal enhancement within the thecal sac and the spinal cord displays normal signal. The vertebral column alignment is within normal limits. The vertebral body and disc space heights are preserved. The vertebral bone marrow signal is unremarkable. The paravertebral soft tissues are unremarkable.
1. Postoperative findings related to suboccipital craniectomy without evidence of intracranial recurrent tumor 2. No evidence of drop metastases in the spine. 