May 7, 2024 · A computerized tomography scan, also called a CT scan, is a type of imaging that uses X-ray techniques to create detailed images of the body. It then uses a computer to create cross …

A computerized tomography (CT) scan of the brain also is called a brain CT scan or sometimes a brain CAT scan. It uses X-rays and a computer to create detailed images of the head. These images show …

Feb 1, 2025 · You will swallow the barium liquid or paste just before a CT scan or x-ray. Your doctor may tell you not to eat or drink anything the night before your test. Barium will work better if your …

Apr 16, 2025 · A positron emission tomography (PET) scan is an imaging test that can help reveal the metabolic or biochemical function of the body's tissues and organs. The PET scan uses a radioactive …

May 24, 2025 · A PSMA PET scan is one of many tests that can look for signs that the cancer has spread. Other imaging tests include bone scans, CT scans, MRI scans and other types of PET …

Jul 9, 2025 · Virtual colonoscopy is a less invasive way to check for cancer of the colon. Virtual colonoscopy also is known as screening CT colonography. Unlike a traditional colonoscopy, which …

May 3, 2024 · Ultrasound also may not be able to see objects that are located very deep in the human body. To view these areas, your healthcare professional may order other imaging tests, such as CT …

Feb 7, 2024 · People who smoke for a long time have an increased risk of other health problems, including lung and heart conditions that may be detected on a lung CT scan. If your doctor finds …

Apr 2, 2024 · Overview A bone scan is a test that uses nuclear imaging to help diagnose and track several types of bone disease. Nuclear imaging involves using small amounts of radioactive …

Aug 23, 2025 · Nuclear imaging might help avoid more-invasive procedures. It also might show signs of disease before they show up on an anatomic imaging test, such as an X-ray or CT scan. Examples …