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High-Resolution Breast PET Improves Breast Cancer Detection
Date:10/29/2009

SAN DIEGO, Oct. 29 /PRNewswire/ --

AT A GLANCE

  • Positron emission mammography (PEM) improves breast cancer detection.
  • PEM significantly improves ability to differentiate between benign and cancerous lesions.
  • Combination of PEM and breast MRI dramatically increased number of suspicious lesions found.

An NIH-sponsored, multi-year study of hundreds of women diagnosed with breast cancer found that Positron Emission Mammography (PEM) scanners significantly outperform MRI when differentiating between benign and cancerous lesions. The prospective study also found that the combination of PEM and breast MRI dramatically increases a physician's ability to detect potentially cancerous lesions over MRI alone, presenting a powerful combination for improving care. The findings released today mean that women and their physicians now have a better tool to help cure cancer.

(Photo: http://www.newscom.com/cgi-bin/prnh/20091029/LA01618)

PEM scanners are high-resolution breast PET systems that can show the location as well as the metabolic phase of a lesion. This information is critical in determining whether a lesion is malignant and influences the course of treatment. Other imaging systems, such as mammography and ultrasound, only show the location, not the metabolic phase. PEM scanners, which are about the size of an ultrasound system, are made in San Diego by Naviscan, Inc. and have been commercially available since 2007.

The NIH study examined 388 women with newly-diagnosed breast cancers, and unlike previous studies on primary lesions, focused on additional or secondary tumors. Understanding the presence of additional tumors is critical to understanding if a lumpectomy or mastectomy is the right surgery. Researchers found that P
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SOURCE Naviscan, Inc.
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