Radiology PET CT & CT SCAN

What is a CT Scan?

Computed tomography, called CT or CAT scanning, is an x-ray system that uses a computer to take detailed images of your body. Pictures look like cross-sections or “slices” of the body.

How to prepare for your CT scan?

  • CT Scans of the Abdomen and Pelvis requires an Oral contrast
    • One (1) hour prior to appointment patients are asked to drink 1½ bottles of Oral Contrast.
      • Arrive one (1) hour early to start drinking.
      • Or pick up Oral Contrast ahead of time, at your office, to drink at home.
    • Patients are asked to save the last half of contrast. Technologist will inform you when to finish that last half.
    • Withhold food and drink 4hrs.
  • CT Scans ordered with IV Contrast
    • These scans require an IV injection of Iodinated Isovue Contrast.
    • Bloodwork within 60days required to unsure kidneys can tolerate the IV Contrast
    • We advise that patients drink 16oz. of water before and after the exam
    • Withhold food and drink 4hrs
  • Wear comfortable, loose-fitting clothing. Metal objects can affect the images, so avoid clothing with zippers and snaps.
  • If you have had recent or prior CT scans elsewhere, please bring a CD copy for the radiologist to compare with the new scan.


What to expect during and after your procedure…

  •  Check in at Hudson Valley Cancer Center, main desk, and then proceed to the lower level PET/CT Suite waiting room.
  • CT Scans with IV Contrast require an IV site started.
  • Patient will be informed when to finish the last half of their Oral Contrast.
  • Patients will be positioned on the exam table with arms placed over head.
  • During the procedure a recording will instruct you to hold your breath.
  • CT Scans typically take about 20-25min.


When and how do I get the results of my CT Scan?

  • Results for CT Scans take about three business days.
  • Please schedule a follow-up appointment with your Physician for results–no sooner than three business days after your scan is completed.
  • Any question about scheduling your procedure or Exam preparation please call our Radiology Department at 845-454-1942 extension 7