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Devices Oncology Radiology

 News Release - June 20, 2017

NCCN Guidelines Compliance for Chest CT Reduces False Positives and Decreases Health Care Spending in Breast Cancer, Study Finds

As published in JNCCN, a Siteman Cancer Center study uncovered potential to significantly improve NCCN Guidelines-concordant care in patients with early-stage breast cancer

FORT WASHINGTON, Pa., June 20, 2017 -- (Healthcare Sales & Marketing Network) -- According to SEER data, more than 260,000 women were diagnosed with breast cancer in the United States in 2016, most of whom were diagnosed with early-stage (stage I or II) disease. For this demographic, the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) recommend standard imaging with bilateral mammography and ultrasound and, in some cases, breast MRI—the NCCN Guidelines® for Breast Cancer do not recommend chest computerized tomography (CT) scans in patients asymptomatic for distant metastases. Regardless, many asymptomatic patients undergo chest CT.

A recent study conducted by researchers at Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, led by Barbara Dull, MD, further confirmed the recommendations of the NCCN Guidelines panel. The study, "Overuse of Chest CT in Patients with Stage I and II Breast Cancer: An Opportunity to Increase Guidelines Compliance at an NCCN Member Institution," is published in the June issue of JNCCN – Journal of the National Comprehensive Cancer Network.

Using data from a prospective database, Dr. Dull and colleagues studied records of more than 3,300 patients diagnosed with early-stage breast cancer between 1998 and 2012 and found that 11% of patients with stage I and more than 36% of patients with stage II breast cancer underwent chest CT within six months of diagnosis, despite NCCN Guidelines recommendations. Of these 683 patients, only nine were diagnosed with pulmonary metastases. However, benign pulmonary nodules were discovered in 175 patients.

"The overwhelming majority of nodules found in this study's patient population classified as false positive results," said Dr. Dull. "Not only do the costs of the chest CT and subsequent imaging and work-up put a cost constraint on the already burdened health care system, but the psychological impact of such results on a patient and their family is enormous."

"I hope patients and their physicians are reassured by findings like these," added Amy Cyr, MD, corresponding author of the study. "Chest CT and other staging studies are of extremely low yield for identifying metastases in patients with early-stage breast cancer, and even for the 1.3% of patients in our cohort ultimately diagnosed with pulmonary disease, many were not diagnosed because of that original CT scan, but were instead diagnosed on scans as long as two years after diagnosis, suggesting even lower utility. Unfortunately, for the 26.9% of patients with positive CT scans (the vast majority of which were false positives), the subsequent evaluation needed not only raises health care costs and anxiety, but also has the potential to delay oncologic treatment."

The NCCN Guidelines recommendations for patients with early-stage breast cancer are reinforced by other leading organizations in oncology, including the American Society of Clinical Oncology (ASCO), European Society for Medical Oncology (ESMO), and Britain's National Institute for Health and Clinical Excellence (NICE).

According to the study, patients who underwent staging chest CT were generally younger and more likely to have unfavorable tumor markers. However, there were no statistical differences between patients diagnosed with metastases and those with false positive results.

"Even with numerous guidelines and recommendations, staging studies are routinely performed in patients with stage I and II breast cancer. Despite NCCN recommendations, many patients with asymptomatic early-stage breast cancer continue to undergo chest CT as part of their initial evaluation. Adherence to the NCCN Guidelines and other evidence-based recommendations will spare patients unnecessary testing and, in an era of increasing health care costs, also curb excessive spending," said Dr. Dull.

The NCCN Guidelines are the recognized standard for clinical policy in cancer care and are often the most thorough and most frequently updated clinical practice guidelines available in any area of medicine.

"Notwithstanding the publicized potential risks of radiation exposure and the disputable value of chest CT in early-stage breast cancer, referring clinicians still order it, not infrequently, based on anecdotal cases, concerns regarding legal ramifications, or to satisfy insistent patients. At all stages of cancer care, including at presentation, during neoadjuvant or adjuvant therapy, and with advanced disease, evidence-based guidelines are needed to help direct treating physicians and their patients in selecting appropriate and indicated imaging studies," said Pamela J. DiPiro, MD, Dana-Farber/Brigham and Women's Cancer Center, in a June JNCCN commentary titled, "Evidence-Based Guidelines: Optimizing Imaging in Cancer Care."

The study, "Overuse of Chest CT in Patients with Stage I and II Breast Cancer: An Opportunity to Increase Guidelines Compliance at an NCCN Member Institution," is available free of charge until September 30, 2017 at JNCCN.org.

About JNCCN – Journal of the National Comprehensive Cancer Network

More than 24,000 oncologists and other cancer care professionals across the United States read JNCCN–Journal of the National Comprehensive Cancer Network. This peer-reviewed, indexed medical journal provides the latest information about best clinical practices, health services research, and translational medicine. JNCCN features updates on the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®), review articles elaborating on guidelines recommendations, health services research, and case reports highlighting molecular insights in patient care. JNCCN is published by Harborside Press. Visit JNCCN.org. To inquire if you are eligible for a FREE subscription to JNCCN, visit http://www.nccn.org/jnccn/subscribe.asp

JNCCN 360 is a new online resource for oncology professionals featuring up-to-date news, literature, trials, clinical perspectives on current therapies, and much more. Visit JNCCN360.org

About the National Comprehensive Cancer Network

The National Comprehensive Cancer Network® (NCCN®), a not-for-profit alliance of 27 leading cancer centers devoted to patient care, research, and education, is dedicated to improving the quality, effectiveness, and efficiency of cancer care so that patients can live better lives. Through the leadership and expertise of clinical professionals at NCCN Member Institutions, NCCN develops resources that present valuable information to the numerous stakeholders in the health care delivery system. As the arbiter of high-quality cancer care, NCCN promotes the importance of continuous quality improvement and recognizes the significance of creating clinical practice guidelines appropriate for use by patients, clinicians, and other health care decision-makers.

The NCCN Member Institutions are: Fred & Pamela Buffett Cancer Center, Omaha, NE; Case Comprehensive Cancer Center/University Hospitals Seidman Cancer Center and Cleveland Clinic Taussig Cancer Institute, Cleveland, OH; City of Hope Comprehensive Cancer Center, Los Angeles, CA; Dana-Farber/Brigham and Women's Cancer Center | Massachusetts General Hospital Cancer Center, Boston, MA; Duke Cancer Institute, Durham, NC; Fox Chase Cancer Center, Philadelphia, PA; Huntsman Cancer Institute at the University of Utah, Salt Lake City, UT; Fred Hutchinson Cancer Research Center/Seattle Cancer Care Alliance, Seattle, WA; The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD; Robert H. Lurie Comprehensive Cancer Center of Northwestern University, Chicago, IL; Mayo Clinic Cancer Center, Phoenix/Scottsdale, AZ, Jacksonville, FL, and Rochester, MN; Memorial Sloan Kettering Cancer Center, New York, NY; Moffitt Cancer Center, Tampa, FL; The Ohio State University Comprehensive Cancer Center - James Cancer Hospital and Solove Research Institute, Columbus, OH; Roswell Park Cancer Institute, Buffalo, NY; Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine, St. Louis, MO; St. Jude Children's Research Hospital/The University of Tennessee Health Science Center, Memphis, TN; Stanford Cancer Institute, Stanford, CA; University of Alabama at Birmingham Comprehensive Cancer Center, Birmingham, AL; UC San Diego Moores Cancer Center, La Jolla, CA; UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, CA; University of Colorado Cancer Center, Aurora, CO; University of Michigan Comprehensive Cancer Center, Ann Arbor, MI; The University of Texas MD Anderson Cancer Center, Houston, TX; University of Wisconsin Carbone Cancer Center, Madison, WI; Vanderbilt-Ingram Cancer Center, Nashville, TN; and Yale Cancer Center/Smilow Cancer Hospital, New Haven, CT.

Clinicians, visit NCCN.org. Patients and caregivers, visit NCCN.org/patients. Media, visit NCCN.org/news.


Source: National Comprehensive Cancer Network

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