51 years Male (DOB:3/26/1964)Reason: Evaluate for worsening headaches that are bifrontal and radiate to back of head with associated nausea and vomiting. Please compare to previous study that is uploaded to PACS, possible Dandy-walker malformation. PROVIDER/ATTENDING NAME: RIMAS V. LUKAS RIMAS V. LUKAS The CSF spaces are appropriate for the patient's stated age with no midline shift. No abnormal enhancing mass lesions are appreciated intracranially. No intracranial hemorrhage is identified. No edema is identified within the brain parenchyma. There is a perivascular space present in the right basal ganglia is probably of significance.There are several periventricular and subcortical punctate hyperintense white matter lesions present identified on the FLAIR and T2 images. Normal vascular flow voids are present in the distal carotid and vertebral arteries, the basilar artery and the proximal anterior, middle and posterior cerebral arteries as well as the internal cerebral veins and superior sagittal sinus.There is an arachnoid cyst present located just above the cerebellar vermis which measures approximately 14 x 19 mm sagittal dimensions. The cerebellar vermis appears to be displaced and deformed but not hypoplastic. The cerebellar tonsils extend approximately 3 mm below the level of foramen magnumThe visualized portions of the paranasal sinuses demonstrate some mild mucosal thickening. The visualized portions of the mastoid air cells are clear. The visualized portions of the orbits are intact.
1.There is small arachnoid cyst present posterior fossa. 2.Low-lying cerebellar tonsils.3.Several periventricular and subcortical punctate lesions at this age are frequently seen, likely of little clinical significance and are nonspecific. There is no evidence for Dandy-Walker malformation4.Some minor opacities in the paranasal sinuses are likely inflammatory in nature.