What is Computed Tomography Enterography (CTE)?
How do you prepare for your CTE scan?
• Do not eat or drink anything except clear liquids for three hours before the exam.
• Please arrive one hour and 15 minutes before your appointment so that you have time to drink
the very thin oral contrast. This will help to distend your bowel, permitting better visualization of
the intestinal tract.
• Let our staff know what medications you are taking.
• If you could be pregnant, are breast feeding, are allergic to intravenous contrast medium (dye)
or are diabetic, please notify a member of our staff.
• If you must cancel or reschedule, please kindly do so at least 24 hours prior to your
What should you bring to your procedure?
• Prescription or referral from your physician
• Current list of medications you take
• Insurance cards
• Any previous MRI, CT, small bowel series, or PET/CT scans and reports taken outside our
• Medical history
• Pathology reports, if appropriate and available
What will you experience during your CTE scan?
• You will receive a clear, water-like solution to drink periodically one hour prior to your CT scan.
• The technologist will interview you to obtain a medical history.
• The technologist will start an intravenous (IV) line in your arm.
• A member of our staff will take you to the CT imaging room, and assist you onto the imaging
During your CTE scan
• You will be given a contrast material through the IV line and may feel a warm sensation. The
table will move slowly after each scan and you may hear a whirring noise or beep.
• To get the most precise results, the technologist may ask you to hold your breath for 20 to 30
• Please lie as still as possible to avoid blurring the images.
• The technologist and you will be able to communicate with one another at all times during your
scan, which lasts approximately 10 to 15 minutes.
After your CTE scan
• Please drink plenty of fluids, especially water, for the next 24 hours to help flush the contrast
medium from your body.
• The radiologist will review your scans and send the written report to your physician.
• Urgent findings will be called or faxed to your physician.