PET/CT

WHAT IS PET/CT?

PET/CT is a diagnostic imaging system that combines PET and CT into one unit. PET (Positron Emission Tomography) utilizes a low-level radiopharmaceutical to visualize metabolic activity within the body to help diagnose, stage, or guide your clinician in the treatment of cancer. CT stands for Computed Tomography (otherwise known as a “Cat Scan”). This technique uses x-rays to make cross-sectional images (called slices) of your body. PET/CT combines both functional and anatomical information into one single scan. This allows your doctor the ability to pinpoint the exact location of interest and determine its functional status. PET/CT scans have been shown to provide more accurate diagnoses than the two scans performed separately.

RAO offers the Siemen’s biograph PET/CT. It combines the anatomical information obtained from CT with the functional PET information to form not a photograph, but a biograph – an image that records living tissues and life processes with great precision and detail. The benefits to the patient are multiple – earlier diagnosis, accurate staging and localization, precise treatment and precise patient monitoring.

HOW LONG DOES THE SCAN TAKE?

Plan on being at our facility for approximately 2 1/2 hours from the time you check to the time you leave our facility following your examination. You will be given an injection of a radiopharmaceutical and requested to relax in a quiet area while the injection circulates and the uptake occurs. This period lasts approximately 90 minutes. The entire PET/CT examination is generally performed in less than a half hour, providing comprehensive diagnostic information to the clinicians and attending physicians quickly.

WHERE IS PET/CT OFFERED?

Radiology Associates of Ocala offers PET/CT at the Medical Imaging Center at Windsor Oaks.

WHAT TO EXPECT

You will first receive a small injection of a radiopharmaceutical contrast about 90 minutes before the actual scan. It will not make you feel any different. When it is time for your scan, you will be asked to lie on the patient table, which moves through the PET/CT scanner. It is important to lie quietly and be as still as you can during the examination. Depending on the type of study, you may also receive a contrast medium at the time of the CT portion. This is a dye that increases the quality of the CT images. The contrast medium may be administered orally, or by injection, or both. Some patients report a warm feeling or an unusual taste in their mouth from the contrast medium. The CT portion of the machine may make some whirring and clicking noises.

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RAO’s Medical Imaging Center at Windsor Oaks is an ACR Accredited Facility in both PET and CT

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