Brain aneurysms are a potentially fatal medical condition that may exist without any symptoms until they rupture. CT scans offer one way to learn more about the location, size, and shape of a ...

A cranial CT scan of the head is a diagnostic tool used to create detailed pictures of the skull, ... Often, images are first taken without contrast, and then again with contrast.

CT Cervical Spine Scan Without Contrast. Cervical spine CT scans without contrast don’t have restrictions. You can eat and drink as usual before and after your test.

Opting for an alternative type of scan without contrast might result in a 10 to 20 percent reduction in diagnostic accuracy, he said. Other sources of the dye are limited, however.

Your local radiologist, however, may not be comfortable interpreting CT scans without the contrast and might have the final say. Discuss this controversy with your radiologists to reach an ...

They've also found that using the software can help doctors detect pulmonary embolism by measuring and finding blood mass changes with a simple non-contrast, inhalation and exhalation CT scan.