Dr. David Schulsinger explains that perinephric fat stranding is a hazy appearance in a linear pattern in the soft tissues in the perinephric space on a computed tomography image. The perinephric space, explains Aizenste... More » Health Diagnostics & Imaging

The computerized tomography scanner produces a three-dimensional cross-sectional image of the pelvis, blood vessels, lungs, brain, abdomen, bones and soft tissues, according to Medical News Today. Several two-dimensional... More » Health Diagnostics & Imaging

A positron emission tomography scan is conducted by administering a radioactive tracer chemical to the patient and using a full-body scanner to detect how the substance interacts with tissues, organs and blood, states Me... More » Health Diagnostics & Imaging
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A virtual colonoscopy, or a CT colonoscopy, is performed using computer tomography scanning to get an image of the interior of the colon, according to This procedure is less invasive than an endoscopy ... More » Health Diagnostics & Imaging

The U.S. National Library of Medicine describes that a positron emission tomography, or PET scan, shows how organs and tissues are working, while a magnetic resonance image, an MRI, and a computed tomography, a CT scan, ... More » Health Diagnostics & Imaging

About 12 hours before a positron emission tomography, or PET, scan, the doctor puts the patient on a diet low in carbohydrates, explains North Shore University Health System. Foods such as meat, butter, eggs and starchle... More » Health Diagnostics & Imaging

A cardiac calcium scoring test is a computed tomography scan, which detects calcium components in plaque in the coronary arteries, according to WebMD. The CT scan records pictures of thin sections of the heart and associ... More » Health Diagnostics & Imaging