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Erin Currin, Lanell M. Peterson, Erin K. Schubert, Jeanne M. Link, Kenneth A. Krohn, Robert B. Livingston, David A. Mankoff and Hannah M. Linden

Changes in estrogen receptor (ER) expression over the course of therapy may affect response to endocrine therapy. However, measuring temporal changes in ER expression requires serial biopsies, which are impractical and poorly tolerated by most patients. Functional ER imaging using 18F-fluoroestradiol (FES)-PET provides a noninvasive measure of regional ER expression and is ideally suited to serial studies. Additionally, lack of measurable FES uptake in metastatic sites of disease predict tumor progression in patients with ER-positive primary tumors treated with endocrine therapy. This report presents a case of restored sensitivity to endocrine therapy in a patient with bone-dominant breast cancer who underwent serial observational FES-PET imaging over the course of several treatments at our center, demonstrating the temporal heterogeneity of regional ER expression. Although loss and restoration of endocrine sensitivity in patients who have undergone prior hormonal and cytotoxic treatments has been reported, this is, to our knowledge, the first time the accompanying changes in ER expression have been documented by molecular imaging.

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Donald A. Podoloff, Ranjana H. Advani, Craig Allred, Al B. Benson III, Elizabeth Brown, Harold J. Burstein, Robert W. Carlson, R. Edward Coleman, Myron S. Czuczman, Dominique Delbeke, Stephen B. Edge, David S. Ettinger, Frederic W. Grannis Jr., Bruce E. Hillner, John M. Hoffman, Krystyna Kiel, Ritsuko Komaki, Steven M. Larson, David A. Mankoff, Kenneth E. Rosenzweig, John M. Skibber, Joachim Yahalom, JQ Michael Yu and Andrew D. Zelenetz

The use of positron emission tomography (PET) is increasing rapidly in the United States, with the most common use of PET scanning related to oncology. It is especially useful in the staging and management of lymphoma, lung cancer, and colorectal cancer, according to a panel of expert radiologists, surgeons, radiation oncologists, nuclear medicine physicians, medical oncologists, and general internists convened in November 2006 by the National Comprehensive Cancer Network. The Task Force was charged with reviewing existing data and developing clinical recommendations for the use of PET scans in the evaluation and management of breast cancer, colon cancer, non-small cell lung cancer, and lymphoma. This report summarizes the proceedings of this meeting, including discussions of the background of PET, possible future developments, and the role of PET in oncology. (JNCCN 2007;5(Suppl 1):S1–S22)

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Robert W. Carlson, D. Craig Allred, Benjamin O. Anderson, Harold J. Burstein, W. Bradford Carter, Stephen B. Edge, John K. Erban, William B. Farrar, Andres Forero, Sharon Hermes Giordano, Lori J. Goldstein, William J. Gradishar, Daniel F. Hayes, Clifford A. Hudis, Britt-Marie Ljung, David A. Mankoff, P. Kelly Marcom, Ingrid A. Mayer, Beryl McCormick, Lori J. Pierce, Elizabeth C. Reed, Jasgit Sachdev, Mary Lou Smith, George Somlo, John H. Ward, Antonio C. Wolff and Richard Zellars

OverviewThese NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Breast Cancer are the work of the members of the NCCN Breast Cancer Panel. Categories of evidence and consensus were assessed and are noted in the algorithms and text. Although not explicitly stated at every decision point of the NCCN Guidelines, patient participation in prospective clinical trials is the preferred option of treatment for all stages of breast cancer. The full breast cancer guidelines are not printed in this issue of JNCCN, but can be accessed online at www.NCCN.org.The American Cancer Society estimated that 209,060 new cases of invasive breast cancer were diagnosed and 40,230 people died of breast cancer in the United States in 2010.1 In addition, approximately 54,010 women were diagnosed with carcinoma in situ of the breast during the same year. Breast cancer is the most common malignancy in women in the United States and is second only to lung cancer as a cause of cancer death.The incidence of breast cancer has increased steadily in the United States over the past few decades, but breast cancer mortality seems to be declining,1,2 suggesting a benefit from early detection and more effective treatment.The cause of most breast cancer cases is unknown. However, numerous risk factors for the disease have been established, including female gender, increasing patient age, family history of breast cancer at a young age, early menarche, late menopause, older age at first live birth, prolonged hormone replacement therapy, previous exposure to therapeutic chest...
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Richard L. Theriault, Robert W. Carlson, Craig Allred, Benjamin O. Anderson, Harold J. Burstein, Stephen B. Edge, William B. Farrar, Andres Forero, Sharon Hermes Giordano, Lori J. Goldstein, William J. Gradishar, Daniel F. Hayes, Clifford A. Hudis, Steven J. Isakoff, Britt-Marie E. Ljung, David A. Mankoff, P. Kelly Marcom, Ingrid A. Mayer, Beryl McCormick, Lori J. Pierce, Elizabeth C. Reed, Lee S. Schwartzberg, Mary Lou Smith, Hatem Soliman, George Somlo, John H. Ward, Antonio C. Wolff, Richard Zellars, Dorothy A. Shead and Rashmi Kumar

These NCCN Guidelines Insights highlight the important updates specific to the management of HER2-positive metastatic breast cancer in the 2013 version of the NCCN Clinical Practice Guidelines in Oncology for Breast Cancer. These include new first-line and subsequent therapy options for patients with HER2-positive metastatic breast cancer.

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Metastatic Breast Cancer, Version 1.2012

Featured Updates to the NCCN Guidelines

Robert W. Carlson, D. Craig Allred, Benjamin O. Anderson, Harold J. Burstein, Stephen B. Edge, William B. Farrar, Andres Forero, Sharon Hermes Giordano, Lori J. Goldstein, William J. Gradishar, Daniel F. Hayes, Clifford A. Hudis, Steven Jay Isakoff, Britt-Marie E. Ljung, David A. Mankoff, P. Kelly Marcom, Ingrid A. Mayer, Beryl McCormick, Lori J. Pierce, Elizabeth C. Reed, Mary Lou Smith, Hatem Soliman, George Somlo, Richard L. Theriault, John H. Ward, Antonio C. Wolff, Richard Zellars, Rashmi Kumar and Dorothy A. Shead

These NCCN Guidelines Insights highlight the important updates/changes specific to the management of metastatic breast cancer in the 2012 version of the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Breast Cancer. These changes/updates include the issue of retesting of biomarkers (estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2) on recurrent disease, new information regarding first-line combination endocrine therapy for metastatic disease, a new section on monitoring of patients with metastatic disease, and new information on endocrine therapy combined with an mTOR inhibitor as a subsequent therapeutic option.