PET/CT is a state-of-the-art imaging technique that combines positron emission tomography (PET) with computed tomography (CT) to image tissue and organ function. This scan is designed to identify even the smallest areas of abnormal metabolic activity, which is associated with various disease processes. This scan can also be used to evaluate the effectiveness of a patient’s treatment plan, and make adjustments if necessary.

PET/CT is used in the diagnosis of cancer, brain disorders (including tumors, memory disorders, and seizures) and other central nervous system disorders.

How do I prepare for my exam?

Our office will call you and give you detailed instruction on how to prepare for your exam. General guidelines are as follows:

If you have had previous CT, MRI, PET or Nuclear Medicine studies performed at facilities other than Norwalk Radiology & Mammography Center or Norwalk Hospital please try to bring copies of reports and images to your appointment.

You must arrive 30 minutes prior to your scheduled injection time.

• Drink plenty of water to ensure proper hydration (plain water only, no sports drinks or flavored water)
• Do not eat 6 hours prior to your scheduled appointment. This includes chewing gum, candy and mints.
• No caffeine.
• No physical exercise 24 hours prior to your appointment.
• Regular prescribed medication can be taken with water.
• No jewelry or watches can be worn. Please leave these valuables at home.
• Please wear warm and loose fitting clothing that has no metal.
• Female patients should wear a sports bra that has no metal.

If you are diabetic please notify our office prior to your scheduled appointment. Please allow at least 2 hours for your visit.