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 ...

What are cervical spine CT scans? Here's a look at this procedure and why you might need it, including how scans with and without contrast differ.

Computed Tomography (CT) scans can be performed either with the contrast or without the contrast. Contrast CT scans are performed to get a detailed image of the inside of your body and the blood ...

A cranial CT scan of the head is a diagnostic tool used to create detailed pictures of the skull, brain, paranasal sinuses, and eye sockets.

Hospitals low on contrast dye are doing some CT scans without it or are booking patients weeks or months in advance.

A type of contrast dye is in short supply due to a lockdown that hit a Shanghai plant where it is made. Hospitals have had to ration scans and procedures.

The study found additional CT scans with oral contrast rarely affected the results of the initial reading in any case. In patients admitted to the hospital, additional abdominal pelvic imaging ...

Your local radiologist, however, may not be comfortable interpreting CT scans without the contrast and might have the final say.

A doctor may use a head and brain MRI scan to check for a range of injuries and abnormalities. Here, gain a detailed understanding of the procedure and how to prepare.

A 15-ICU multicenter validation effort led by Université de Montréal to test CT scans as a brain-death diagnostic tool reports that brainstem CT imaging alone cannot confirm neurological death ...

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.