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.

Anatomy of the spine The spinal column, also called the vertebral or spinal canal, is made up of 33 vertebrae that are separated by spongy disks and classified into distinct areas. The cervical area ...

What is a CT scan? A CT scan (or computed tomography examination) is an advanced, noninvasive radiological exam that provides a 360-degree X-ray view of a selected area of the body. It uses high-speed ...

CT urogram A CT urogram is a test using a CT scan and special dye called a contrast medium to look at the urinary system. The contrast medium helps show up the urinary system more clearly. You have a ...

Objectives The size and shape of a joint cavity are the key determinates for the mobility of the joint. The anatomy and configuration of the facet joint (FJ) recesses at different levels of the spine ...

It may be done with contrast, an ingestible or injectable dye that allows technicians to visualize a body process better. This article explains how a CT scan works, why you might need one, and how to ...

The MRI may scan your whole spine or just a part of it. Unlike X-rays and computerized tomography (CT) scans, it doesn’t use damaging radiation. It’s generally safe and painless.

This trial is comparing whole body MRI scans to bone and CT scans to find out which is better at showing how well treatment is working. It is open to men with prostate cancer that has spread to the ...

Computed tomography (CT) imaging, characterized by its high contrast sensitivity and spatial resolution, provides detailed insights into a patient’s internal anatomical structures, particularly the ...

CT scans may be done with or without "contrast." Contrast refers to a substance taken by mouth or injected into an intravenous (IV) line that causes the particular organ or tissue under study to be ...