Preparation guidelines for a CT scan depend on the type of scan you’re having. If you’re having a bowel scan or a scan with contrast dye, you may need to adjust your diet. Preparation for a CT ...

Doctors ordered a CT scan with an injection of contrast dye to enhance visibility. Leigh went in for the CT scan March 7, 2024 — that's when she suffered a fatal allergic reaction.

Although CT is a relatively recent technology, there have been great improvements in the equipment. The early, slow "Step and Scan" machines required long image acquisition times, resulting in a ...

A CT scan is a noninvasive imaging procedure. Doctors may order one to see into different areas of a person’s body, such as the heart, so they can diagnose and treat any issues they uncover.

A CT scan uses several X-rays to produce detailed images of structures inside the body. Doctors can use CT scans to diagnose kidney cancer, as it helps determine a tumor’s size, shape, and location.

Qualitative brainstem CT perfusion showed 98.5% sensitivity yet only 74.4% specificity. Qualitative whole-brain CT perfusion achieved 93.6% sensitivity and 92.3% specificity.