News | December 16, 2009

PET Better Identifies Malignant Breast Tumors

FDG-PET breast cancer patient.

December 17, 2009 - Positron emission tomography (PET) scans used with an agent called 64Cu-TP3805 may significantly contribute to the management of breast cancer, reducing the number of biopsies.

Scientists from the Kimmel Cancer Center at Jefferson have discovered a possible way for malignant breast tumors to be identified, without the need for a biopsy, according to findings published online in the Journal of Nuclear Medicine.

Because current imaging modalities miss up to 30 percent of breast cancers and cannot distinguish malignant tumors from benign tumors, which leads to biopsies, approximately 5.6 million biopsies performed in the United States find only benign lesions.

To better identify malignant tumors, Mathew Thakur, Ph.D., professor of Radiology at Jefferson Medical College of Thomas Jefferson University and director of Radiopharmaceutical Research and Nuclear Medicine Research conducted a study using an imaging agent to target a specific biomarker that visualizes malignant breast lesions early and reliably.

An agent called 64Cu-TP3805, which is used to evaluate tumors via PET imaging. 64Cu-TP3805 detects breast cancer by finding a biomarker called VPAC1, which is overexpressed as the tumor develops.

The researchers compared the images using that agent with images using the "gold standard" imaging agent, 18F-FDG. They used MMTVneu mice, which are mice that develop breast tumors spontaneously, like humans. The mice first received a PET scan using the 18F-FDG. Then they received a CT scan, and then they received another PET scan using 64Cu-TP3805.

Ten tumors were detected on the mice. Four tumors were detected using both 18F-FDG and 64Cu-TP3805, and four additional tumors were found with 64Cu-TP3805 only. All eight of these tumors overexpressed the VPAC1 oncogene on tumor cells and were malignant by histology. The remaining two tumors were benign and were detected only with 18F-FDG. They did not express the VPAC1 oncogene, and thus were not detected by the 64Cu-TP3805.

According to Dr. Thakur, if 64Cu-TP3805 is equally as effective in humans, then he believes PET scans with 64Cu-TP3805 will significantly contribute to the management of breast cancer.

For more information: www.snm.org

Related Content

Houston Methodist Hospital Enters Multi-Year Technology and Research Agreement With Siemens Healthineers
News | Imaging | August 17, 2017
Houston Methodist Hospital and Siemens Healthineers have entered into a multi-year agreement to bring cutting-edge...
Study Demonstrates First Human Application of Novel PET Tracer for Prostate Cancer

Transaxial 11Csarcosine hybrid PET/CT showed a (triangulated) adenocarcinoma in the transition zone of the anterior right prostate gland on PET (A), CT (B), and a separately obtained T2?weighted MR sequence (C) with resulting PET/MRI registration (D). Image courtesy of M. Piert et al., University of Michigan, Ann Arbor, Mich.

News | Radiopharmaceuticals and Tracers | August 16, 2017
In the featured translational article in the August issue of The Journal of Nuclear Medicine, researchers at the...
Patient Complexity, Subspecialization Impact List Prices for Radiologists' Services
News | Business | August 15, 2017
A new study by the Harvey L. Neiman Health Policy Institute finds that patient condition complexity and...
Upcoming radiology conferences, meetings and events.
News | August 14, 2017
ITN maintains a comprehensive listing of radiology specialty meetings on its website at ...
ACR Establishes Education Committee for Patient- and Family-Centered Care
News | Patient Engagement | August 09, 2017
Members of the new Education Committee of the American College of Radiology (ACR) Commission on Patient- and Family-...
ACR Annual Conference on Quality and Safety Offers Strategies for Radiology Practices
News | Business | August 08, 2017
The American College of Radiology (ACR) Annual Conference on Quality and Safety, scheduled for Oct. 13-14 in Boston,...
Clinical Data Supports Use of Xoft System for Endometrial Cancer
News | Brachytherapy Systems | August 03, 2017
Researchers presented clinical data supporting use of the Xoft Axxent Electronic Brachytherapy (eBx) System for the...
The ASPIRE Cristalle FFDM system with DBT combines Fujifilm’s state-of-the-art hexagonal close pattern (HCP) detector design, advanced image processing and image acquisition workflow
News | Women's Health | August 01, 2017
Fujifilm Medical Systems U.S.A., Inc. announced that The Mammography Center of Monterey, an ACR-accredited breast...
Sponsored Content | Videos | Breast Imaging | July 28, 2017
Nancy Cappello, Ph.D., executive director and founder of Are You Dense Inc. and Are You Dense Advocacy, explains how
Overlay Init