CT scan - demonstrates a mass lesion projecting into the posterior part of the third ventricle with associated dilatation of the third and the lateral ventricles. There may be calcification in the case of pineocytomas; teratomas may contain mixed densities ranging from fat to calcification. All may show enhancement to contrast.
MRI - helps define the exact relationship to the third ventricle.
CSF cytology - identifies malignant cells and tumour type
serum and CSF human chorionic gonadotrophin and alpha-feto protein - positive for germinomas
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page