Some types of brain aneurysms can be detected on a CT scan without the use of contrast solution. However, depending on the circumstances, a doctor may request a CTA to have a clearer picture of ...

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 ...

July 6, 2012 — An emergency department (ED) strategy that eliminates the routine use of oral contrast for abdominal-pelvic (AP) computed tomography (CT) for undifferentiated abdominal pain can ...

You might be willing to shell out between $800 and $1,300 for your CT scan, but what about follow-up tests? Those additional—and usually unnecessary—examinations can cost tens of thousands of ...

A CT scan of the head may be recommended for people with frequent migraines or headaches, in order to rule out other causes of the pain. WebMD tells you what to expect.

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.

A study group of 21,346 patients included 10,673 patients who each underwent a contrast-enhanced CT exam and 10,673 patients who underwent a similar CT without intravenous contrast.