Follow-up of post treatment of posterior fossa tumor, Redemonstration of previously cerebellar resection cavity and diffuse for volume loss of the cerebellar hemisphere presented as confluent and patchy high signal intensities on FLAIR images. There is no evidence of abnormal enhancement on this scan, no change since prior scan.There is no evidence of acute ischemic or hemorrhagic lesion on this scan.Right frontal lobe developmental venous anomaly is again shown. No change since prior scan.Again right mastoid air cell and ethmoid sinus fluid collections were seen, no significant interval change since prior scan.The ventricles, sulci and cisterns are symmetric and unremarkable. There is no mass, mass effect, edema, midline shift, intra or extra-axial fluid collection/hemorrhage, restricted diffusion/acute ischemia, or abnormal contrast enhancement. The midline structures and cranial-cervical junction are normal. Normal flow voids are identified in the major intracranial vessels.
Postoperative status of cerebellar lesion, postop no unusual finding.Specifically, there is no evidence of acute ischemic or hemorrhagic lesion, no evidence of abnormal enhancement.