23-year-old female with history of ependymoma in remission presenting with a waxing and weaning of mental status. Redemonstrated are stable changes from previous right suboccipital craniotomy. The fourth ventricle remains dilated similar to the prior examination. No evidence of worrisome signal abnormality or pathologic enhancement is detected the posterior fossa or elsewhere in the brain. Diffusion weighted images are normal. Cerebral morphology and signal characteristics are unremarkable. The supratentorial ventricular system is stable and normal in size. No abnormal fluid collections are detected. Expected vascular flow voids are demonstrated. The paranasal sinuses and mastoid air cells are clear.
1.No evidence of recurrent tumor in the brain.2.No MRI evidence of acute intracranial pathology to explain the patient's symptoms.