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 …

Learn about brain CT scans at Mayo Clinic, including their purpose, procedure, and what to expect during the test.

Jun 11, 2024 · A CT coronary angiogram also is different from a test called a CT coronary calcium scan. A CT coronary angiogram looks for buildups of plaque and other substances in the coronary artery …

May 31, 2025 · A coronary calcium scan is a special computerized tomography (CT) scan of the heart. It looks for calcium deposits in the heart arteries. A buildup of calcium can narrow the arteries and …

Feb 7, 2024 · Risks Lung cancer screening carries several risks, such as: Being exposed to a low level of radiation. The amount of radiation you're exposed to during an LDCT is much less than that of a …

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 …

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 …

Jan 5, 2024 · Risks of radiation Your healthcare team uses a small amount of radiation to perform a SPECT scan, and the test is not associated with any long-term health risks. Talk to someone on your …

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 …