CT Registry Anatomy questions with correct answers

Where is cerebrospinal fluid produced? CORRECT ANSWER In the choroid plexus which originates in the ventricles of the brain. Where would CSF expect to be seen? CORRECT ANSWER Choroid plexus, ventricles, 4th ventricle, subarachnoid space around the brain and spinal cord. Where is the subdural space located? CORRECT ANSWER Between the Dura mater and the arachnoid. Should there be fluid in the subdural space? CORRECT ANSWER No How does fluid appear on CT? CORRECT ANSWER White/bright How should images of the pituitary and sella turcica be obtained? CORRECT ANSWER coronal Images acquired or reconstructed with thin slices of about 1 to 2mm from the anterior clinoid through the dorsum sella. IV contrast given to see pituitary which will enhance while pituitary lesions will not. Bony structure posterior to the spinal cord and transverse process? CORRECT ANSWER Spinous process How can calcification be differentiated from metal on a CT scan? CORRECT ANSWER Both will have very high CT #s and appear bright but metal would also have streak artifacts emanating from the high si