History of aqueductal stenosis, status post 3rd ventriculostomy-cisternostomy. There are postoperative findings related to endoscopic third ventriculostomy-cisternostomy, where there is a prominent CSF flow jet. The ventricles are unchanged in size and configuration. There are unchanged mild scattered nonspecific T2 hyperintense foci in the cerebral white matter. There is no evidence of intracranial hemorrhage, mass, or acute infarct. There is no midline shift or herniation. The skull and scalp soft tissues are unchanged. There is bilateral maxillary sinus mucosal thickening and retention cyst formation.
1. The third ventriculostomy-cisternostomy appears to be patent.2. No significant interval change in the size and configuration of the ventricular system.