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PET/CT shows clear advantages over conventional staging for breast cancer patients
Date:1/2/2013

Reston, Va. (January 2, 2013) New research published in the January issue of The Journal of Nuclear Medicine shows that 18F-fludeoxyglucose (18F-FDG) positron emission tomography (PET)/computed tomography (CT) imaging offers significant prognostic stratification information at initial staging for patients with locally advanced breast cancer. When compared to conventional imaging, 18F-FDG PET/CT more accurately showed lesions in the chest, abdomen and bones in a single session, changing management for more than 50 percent of the patients in the study.

Guidelines from the National Comprehensive Cancer Network (NCCN) recommend a physical examination, bilateral mammogram, sonography or breast magnetic resonance (MR) imaging to examine the breast, as well as chest diagnostic CT, abdominal or pelvic diagnostic CT or MR imaging and bone scanning for evaluation of distant involvement. The NCCN guidelines consider 18F-FDG PET/CT to be "most helpful in situations where standard staging studies are equivocal or suspicious."

"The prognosis of patients with locally advanced breast cancer remains poor. In this study we aimed to investigate whether the use of 18F-FDG PET/CT at initial staging could have an impact on the prognostic stratification and management of patients with locally advanced breast cancer," said David Groheux, MD, PhD, lead author of the study "18F-FDG PET/CT in Staging Patients with Locally Advanced or Inflammatory Breast Cancer: Comparison to Conventional Staging."

One hundred and seventeen patients with locally advanced breast cancer were prospectively included in the study over a course of five years. Patients underwent conventional imaging methods, including bone scanning, chest radiography, or dedicated CT and abdominopelvic examination by sonography or contrast-enhanced CT and were staged accordingly. They then received an 18F-FDG PET/CT scan, which was reviewed by nuclear medicine specialists with no knowledge of
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Contact: Susan Martonik
smartonik@snmmi.org
703-652-6773
Society of Nuclear Medicine
Source:Eurekalert

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