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Donald A. Podoloff, Douglas W. Ball, Edgar Ben-Josef, Al B. Benson III, Steven J. Cohen, R. Edward Coleman, Dominique Delbeke, Maria Ho, David H. Ilson, Gregory P. Kalemkerian, Richard J. Lee, Jay S. Loeffler, Homer A. Macapinlac, Robert J. Morgan Jr., Barry Alan Siegel, Seema Singhal, Douglas S. Tyler and Richard J. Wong

Use of PET is widespread and increasing in the United States, mainly for oncologic applications. In November 2006, the National Comprehensive Cancer Network (NCCN) gathered a panel of experts to review the literature and develop clinical recommendations for using PET scans in lymphoma and non–small cell lung, breast, and colorectal cancers. However, because its use is not restricted to these diseases, and evidence is accumulating for its application in other types of cancers, NCCN convened a second meeting in December 2008 to expand on the initial report. A multidisciplinary panel met to discuss the current data on PET application for various tumor types, including genitourinary, gynecologic, pancreatic, hepatobiliary, thyroid, brain, small cell lung, gastric, and esophageal cancers, and sarcoma and myeloma. This report summarizes the proceedings of this meeting, including discussions of the background of PET, the role of PET in oncology, principles of PET use, emerging applications, and possible future developments.

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Robert I. Haddad, William M. Lydiatt, Douglas W. Ball, Naifa Lamki Busaidy, David Byrd, Glenda Callender, Paxton Dickson, Quan-Yang Duh, Hormoz Ehya, Megan Haymart, Carl Hoh, Jason P. Hunt, Andrei Iagaru, Fouad Kandeel, Peter Kopp, Dominick M. Lamonica, Judith C. McCaffrey, Jeffrey F. Moley, Lee Parks, Christopher D. Raeburn, John A. Ridge, Matthew D. Ringel, Randall P. Scheri, Jatin P. Shah, Robert C. Smallridge, Cord Sturgeon, Thomas N. Wang, Lori J. Wirth, Karin G. Hoffmann and Miranda Hughes

This selection from the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Thyroid Carcinoma focuses on anaplastic carcinoma because substantial changes were made to the systemic therapy recommendations for the 2015 update. Dosages and frequency of administration are now provided, docetaxel/doxorubicin regimens were added, and single-agent cisplatin was deleted because it is not recommended for patients with advanced or metastatic anaplastic thyroid cancer.

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R. Michael Tuttle, Douglas W. Ball, David Byrd, Gilbert H. Daniels, Raza A. Dilawari, Gerard M. Doherty, Quan-Yang Duh, Hormoz Ehya, William B. Farrar, Robert I. Haddad, Fouad Kandeel, Richard T. Kloos, Peter Kopp, Dominick M. Lamonica, Thom R. Loree, William M. Lydiatt, Judith McCaffrey, John A. Olson Jr., Lee Parks, John A. Ridge, Jatin P. Shah, Steven I. Sherman, Cord Sturgeon, Steven G. Waguespack, Thomas N. Wang and Lori J. Wirth

OverviewThere are 3 main histologic types of thyroid carcinoma: differentiated (including papillary, follicular, and Hürthle), medullary, and anaplastic (aggressive undifferentiated tumor). Of 53,856 patients treated for thyroid carcinoma between 1985 and 1995, 80% had papillary, 11% had follicular, 3% had Hürthle cell, 4% had medullary, and 2% had anaplastic thyroid carcinoma.1 These NCCN guidelines focus on medullary thyroid carcinoma (MTC). Another NCCN guideline addresses papillary, follicular, Hürthle cell, and anaplastic thyroid carcinomas (see NCCN Clinical Practice Guidelines in Oncology: Thyroid Carcinoma [to view the most recent version of these guidelines, visit the NCCN Web site at www.NCCN.org]).MTC derives from the neuroendocrine parafollicular calcitonin-producing (C) cells of the thyroid.2–4 Sporadic MTC accounts for approximately 80% of all cases of the disease. The remaining cases consist of inherited tumor syndromes, such as multiple endocrine neoplasia type 2A (MEN 2A), which is the most common type; MEN 2B; or familial MTC.5,6 Sporadic disease typically presents in the fifth or sixth decade. Familial forms of the disease tend to present at earlier ages.2Because the C cells are predominantly located in the upper portion of each thyroid lobe, patients with sporadic disease typically present with upper pole thyroid nodules. Metastatic cervical adenopathy appears in approximately 50% of patients at initial presentation. Symptoms of upper aerodigestive tract compression or invasion are reported by up to 15% of patients with sporadic disease.7Symptoms from distant metastases in the lungs or bones occur in 5% to 10% of patients. The ability of the tumor to...
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R. Michael Tuttle, Douglas W. Ball, David Byrd, Raza A. Dilawari, Gerard M. Doherty, Quan-Yang Duh, Hormoz Ehya, William B. Farrar, Robert I. Haddad, Fouad Kandeel, Richard T. Kloos, Peter Kopp, Dominick M. Lamonica, Thom R. Loree, William M. Lydiatt, Judith C. McCaffrey, John A. Olson Jr., Lee Parks, John A. Ridge, Jatin P. Shah, Steven I. Sherman, Cord Sturgeon, Steven G. Waguespack, Thomas N. Wang and Lori J. Wirth

OverviewEpidemiologyThyroid nodules are approximately 4 times more common in women than in men. Palpable nodules increase in frequency throughout life, reaching a prevalence of approximately 5% in the United States population aged 50 years and older.1–3 Nodules are even more prevalent when the thyroid gland is examined at autopsy or surgery, or when using ultrasonography, and 50% of these have nodules, which are almost always benign.2,4 New nodules develop at a rate of approximately 0.1% per year beginning in early life, but at a much higher rate (∼2% per year) after exposure to head and neck irradiation.5,6By contrast, thyroid carcinoma is uncommon. For the United States population, the lifetime risk of being diagnosed with thyroid carcinoma is less than 1% (0.83% for women and 0.33% for men).7 Approximately 37,200 new cases of thyroid carcinoma were diagnosed in the United States in 2009.8As with thyroid nodules, thyroid carcinoma occurs 2 to 3 times more often in women than in men. With the incidence increasing by 6.2% per year, thyroid carcinoma is currently the sixth most common malignancy diagnosed in women.8 Among persons age 15 to 24 years, thyroid carcinoma accounts for 7.5% to 10% of all diagnosed malignancies.9–11 The disease is also diagnosed more often in white North Americans than in African Americans. Although thyroid carcinoma can occur at any age, the peak incidence from 2004 to 2006 was near age 45 to 49 years in women and 65 to 69 years in men.7Thyroid carcinoma has...
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R. Michael Tuttle, Robert I. Haddad, Douglas W. Ball, David Byrd, Paxton Dickson, Quan-Yang Duh, Hormoz Ehya, Megan Haymart, Carl Hoh, Jason P. Hunt, Andrei Iagaru, Fouad Kandeel, Peter Kopp, Dominick M. Lamonica, William M. Lydiatt, Judith McCaffrey, Jeffrey F. Moley, Lee Parks, Christopher D. Raeburn, John A. Ridge, Matthew D. Ringel, Randall P. Scheri, Jatin P. Shah, Steven I. Sherman, Cord Sturgeon, Steven G. Waguespack, Thomas N. Wang, Lori J. Wirth, Karin G. Hoffmann and Miranda Hughes

These NCCN Guidelines Insights focus on some of the major updates to the 2014 NCCN Guidelines for Thyroid Carcinoma. Kinase inhibitor therapy may be used to treat thyroid carcinoma that is symptomatic and/or progressive and not amenable to treatment with radioactive iodine. Sorafenib may be considered for select patients with metastatic differentiated thyroid carcinoma, whereas vandetanib or cabozantinib may be recommended for select patients with metastatic medullary thyroid carcinoma. Other kinase inhibitors may be considered for select patients with either type of thyroid carcinoma. A new section on “Principles of Kinase Inhibitor Therapy in Advanced Thyroid Cancer” was added to the NCCN Guidelines to assist with using these novel targeted agents.