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CT scan - Mayo Clinic
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-sectional images, also called slices, of the bones, blood vessels and soft tissues inside the body. CT scan images show more detail than plain X-rays do.
Computerized tomography (CT) urogram - Mayo Clinic
With a CT urogram, there's a slight risk of an allergic reaction to the contrast material. Reactions are generally mild and easily managed by medication. They include: A feeling of warmth or flushing; Nausea; Itching; Hives; Pain near the injection site; A single CT urogram carries no risk of developing cancer after radiation exposure. But ...
Coronary calcium scan - Mayo Clinic
Jul 22, 2023 · 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 reduce blood flow to the heart. A coronary calcium scan may show coronary artery disease before you have symptoms.
Colon cancer screening: Weighing the options - Mayo Clinic
Jan 22, 2025 · Virtual colonoscopy (CT colonography) During a virtual colonoscopy, a CT scan produces cross-sectional images of the abdominal organs, allowing the doctor to detect changes or abnormalities in the colon and rectum. To help create clear images, a small tube (catheter) is placed inside your rectum to fill your colon with air or carbon dioxide.
CT coronary angiogram - Mayo Clinic
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 walls. A CT coronary calcium scan looks only at how much calcium is in the artery walls.
Testicular cancer - Diagnosis and treatment - Mayo Clinic
Oct 10, 2024 · Computerized tomography (CT) scan. CT scans take a series of X-ray pictures of your belly, chest and pelvis. A health care provider checks the pictures for signs that cancer has spread. Blood tests. Tumor marker tests are often repeated after surgery to remove the testicle.
CT 扫描 - 妙佑医疗国际 - Mayo Clinic
Aug 23, 2024 · ct 扫描具有许多好处,远远超过其任何小风险。医务人员使用最低的辐射剂量来获取需要的医疗信息。而且较新、较快的机器和技术所用的辐射剂量低于老式 ct 扫描。请向医务人员咨询 ct 扫描的好处和风险。 对未出生婴儿的伤害. 如果您已怀孕,请告知医务人员。
Blood in urine (hematuria) - Diagnosis and treatment - Mayo Clinic
Jan 7, 2023 · An imaging test is often needed to find the cause of blood in the urine. You might need a CT or MRI scan, or an ultrasound exam. Cystoscopy. A health care provider threads a narrow tube fitted with a tiny camera into your bladder to check for signs of disease.
CSF leak (Cerebrospinal fluid leak) - Diagnosis and treatment
Nov 21, 2023 · CT cisternography. This test is considered the gold standard for diagnosing and locating cranial CSF leaks. It uses a CT scan and a contrast dye to locate CSF leaks anywhere in the skull base. This test can show exactly where a CSF leak is, and help to determine the most appropriate treatment plan.
Breast cancer - Diagnosis and treatment - Mayo Clinic
Jan 10, 2025 · Bone scan. CT scan. MRI. Positron emission tomography scan, also called a PET scan. Not everyone needs all of these tests. Your healthcare team picks the right tests based on your specific situation. Breast cancer stages range from 0 to 4. A lower number means the cancer is less advanced and more likely to be cured.