MRI & MRA - Magnetic Resonance Scanning >, © DIABETICS: Diabetics should eat a light breakfast or lunch three hours prior to the scan time. The only exception being patients in who a fistula/ leak from bowel is the primary concern or is to be excluded. CT scans have various purposes. Some patients should not have an iodine-based contrast media. These scans are used to diagnose a host of different stomach ailments, as well as to evaluate or examine possible sources of abdominal pain. CT scans utilize X-rays to form images of organs and tissues inside the body (for example, abdominal organs, brain, chest, lungs, heart) while colonoscopy is a procedure that can visualize only the inside surface of the colon. CT is an advanced form of X-rays that uses a narrow X-ray beam and advanced computer software to create detailed cross-sectional images of the body organs. You may be able to have the scan performed without contrast media or have an alternative imaging exam. You may want to ask your doctor about the amount of radiation used during the CT procedure and the risks related to your particular situation. If you experience any itching, sneezing, nasal congestion, scratchy throat or swelling or your face, please inform the technologist immediately. You may need to get a CT scan to aid your doctor in diagnosing an illness or injury. We continue to monitor COVID-19 in our area. Patients with kidney failure or other kidney problems should notify their doctor. Please call (805) 681-7671 to schedule your appointment. Other related procedures that may be used to diagnose abdominal problems include abdominal X-rays, pancreas scan, liver scan, gallbladder scan, kidney scan, endoscopy procedures such as colonoscopy, abdominal ultrasound, and abdominal angiogram. Your doctor has ordered a CT (Computed Tomography) of your abdomen. In computed tomography, the X-ray beam moves in a circle around the body. If an IV line was inserted for contrast administration, the line will be removed. It is performed with a higher radiation dose and larger dose of IV contrast, which helps to evaluate subtle areas of bowel inflammation. These factors include, but are not limited to, the following: Metallic objects within the abdomen, such as surgical clips, Barium in the intestines from a recent barium study. Radiation exposure during pregnancy may lead to birth defects. There are no dietary or physical restrictions following your CT scan. If your doctor has ordered an abdominal CT scan, you probably have questions about the procedure and how you should prepare for it. A computerized axial tomography scan is also called a CT scan or a CAT scan. This technique is able to create pictures of the blood vessels in your belly (abdomen) or pelvis area. This type of radiology study is an important part of diagnosing medical diseases like strokes, cancers, and infections in the abdomen like appendicitis. Special X … What Is a CT Scan? CT Scan of the Abdomen What is a CT scan of the abdomen? If your doctor has ordered an abdominal CT scan, you probably have questions about the procedure and how you should prepare for it. According to the American College of Radiology, possible diagnoses include: infections such as appendicitis, pyelonephritis or infected fluid collections, also known as abscesses. This allows many different views of the same organ or structure. The X-ray information is sent to a computer that interprets the X-ray data and displays it in a two-dimensional (2D) form on a monitor. Computed tomography (CT or CAT scan) is one of the most commonly used medical imaging procedures in clinical practice, along with radiography (x-ray) and magnetic resonance imaging (MRI). We continue to provide in-person care and telemedicine appointments. Abdominal CT scans are used to gain insight into undiagnosed pain, injury, and disease in the organs and structures of your abdominal cavity. A CT scan of the abdomen and pelvis can help diagnose problems in the bladder, uterus, prostate, liver or bowels. In some situations, the contrast may be given rectally. Certain factors or conditions may interfere with the accuracy of a CT scan of the abdomen. If a contrast injection was used during your exam, drink at least 50-60 ounces of water within 24 hours to eliminate the contrast (dye) from your body. At Another Johns Hopkins Member Hospital. Cancer in the liver, kidneys, and pancreas 3. An abdominal CT takes pictures of your abdomen. When the pathological process in the abdominal cavity is suspected, the x-ray and CT scans are the methods of choice because they are fast, cheap, widely available, non … CT scans use X-ray technology and advanced computer analysis to create detailed pictures of your body. It is sometimes called computerized tomography or computerized axial tomography (CAT).. CT of the Abdomen: Exam Description Your doctor has ordered a CT (Computed Tomography) of your abdomen. You can request copies of your images on a CD-ROM or your report, by calling (805) 692-6435. If you are having a computed tomography angiography (CTA) or virtual colonoscopy with Johns Hopkins radiology, you will be given specific instructions when you make your appointment. The technologist will be in another room where the scanner controls are located. Contrast examinations may require you to fast for a certain period of time before the procedure. MEDICATION: All patients can take their prescribed medications as usual. There are two different types of substances used for oral CT contrast. Risks associated with radiation exposure may be related to the cumulative number of X-ray examinations and/or treatments over a long period of time. Be sure to discuss any concerns with your doctor prior to the procedure. 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