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Diagnostic Imaging: PET/CT Scan
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PET/CT Scanning: Detailed Images to Aid Diagnosis

PET/CT scanning at Central DuPage Hospital (CDH) provides highly detailed images for fine-tuning diagnosis of cancers, cardiovascular disease and brain disorders.

What is PET/CT?

PET (Positron Emission Tomography)/CT is a diagnostic process that detects tiny amounts of radiation to create detailed images. For a PET/CT scan, the patient is first injected with a radioactive substance (which decays within a few days). Lying on a flat table, the person moves in very slow steps through a donut-shaped machine that detects positrons (tiny particles emitted from the radioactive material). The machine takes a series of thin "slice" images, which are then assembled to create a three-dimensional image of the body.

PET/CT is a painless, non-invasive procedure, yet it provides powerful images of the body’s biological functions.

Physicians use PET/CT for many purposes:

  • To detect cancers and to assess the effect of cancer therapy
  • To diagnose cardiovascular disease, including blockages in arteries and to gauge heart muscle damage after a heart attack
  • To examine the brain for people with memory disorders, seizures or suspected brain tumors. Details from PET/CT scanning help neurosurgeons pinpoint a precise location for brain surgery.

Our Services

Specialists located at our CDH Warrenville Campus perform a full range of PET/CT scanning procedures in a convenient and comfortable setting. PET/CT scanning is provided on an outpatient basis.

The Team

Performing and analyzing PET/CT imaging requires advanced expertise. The team includes:

  • Board-certified radiologists (MDs)
  • Licensed nuclear medicine technologists


CDH Cancer Center
4405 Weaver Parkway
Warrenville, IL 60555

Call For an Appointment

Please call 630-933-5000 to schedule a PET/CT scan procedure through CDH. A physician order is required.