question: report is: Normal CT attenuation characteristics of the gray and white matter of both cerebral hemispheres. No focal or enhancing lesions are detected Normal dimensions and configurations of the supra and infra tentorial ventricular system Neither intra nor extra axial collections. No brain edema. No mid line shift. Normal appearance of posterior fossa structures. Normal CT features and appearance of the bony cranial vault Opinion: Negative CT study of the brain and posterior fossa structures..