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Salzillo TC, Taku N, Wahid KA, McDonald BA, Wang J, van Dijk LV, Rigert JM, Mohamed ASR, Wang J, Lai SY, Fuller CD. Advances in Imaging for HPV-Related Oropharyngeal Cancer: Applications to Radiation Oncology. Semin Radiat Oncol 2021; 31:371-388. [PMID: 34455992 DOI: 10.1016/j.semradonc.2021.05.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
While there has been an overall decline of tobacco and alcohol-related head and neck cancer in recent decades, there has been an increased incidence of HPV-associated oropharyngeal cancer (OPC). Recent research studies and clinical trials have revealed that the cancer biology and clinical progression of HPV-positive OPC is unique relative to its HPV-negative counterparts. HPV-positive OPC is associated with higher rates of disease control following definitive treatment when compared to HPV-negative OPC. Thus, these conditions should be considered unique diseases with regards to treatment strategies and survival. In order to sufficiently characterize HPV-positive OPC and guide treatment strategies, there has been a considerable effort to diagnose, prognose, and track the treatment response of HPV-associated OPC through advanced imaging research. Furthermore, HPV-positive OPC patients are prime candidates for radiation de-escalation protocols, which will ideally reduce toxicities associated with radiation therapy and has prompted additional imaging research to detect radiation-induced changes in organs at risk. This manuscript reviews the various imaging modalities and current strategies for tackling these challenges as well as provides commentary on the potential successes and suggested improvements for the optimal treatment of these tumors.
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Affiliation(s)
- Travis C Salzillo
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Nicolette Taku
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Kareem A Wahid
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Brigid A McDonald
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Jarey Wang
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Lisanne V van Dijk
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Jillian M Rigert
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX; Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Abdallah S R Mohamed
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Jihong Wang
- Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Stephen Y Lai
- Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Clifton D Fuller
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX.
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Moan JM, Amdal CD, Malinen E, Svestad JG, Bogsrud TV, Dale E. The prognostic role of 18F-fluorodeoxyglucose PET in head and neck cancer depends on HPV status. Radiother Oncol 2019; 140:54-61. [DOI: 10.1016/j.radonc.2019.05.019] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 05/13/2019] [Accepted: 05/15/2019] [Indexed: 11/25/2022]
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Li Y, Awan MJ, Chang T, Lavertu P, Zender C, Rezaee R, Fowler N, Wasman J, Avril NE, Chen N, Machtay M, Yao M. Post-radiotherapy PET/CT for predicting treatment outcomes in head and neck cancer after postoperative radiotherapy. Eur J Nucl Med Mol Imaging 2019; 46:794-800. [PMID: 30680587 DOI: 10.1007/s00259-019-4272-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 01/15/2019] [Indexed: 02/07/2023]
Abstract
PURPOSE The purpose of this study was to retrospectively review the role of post-treatment (post-tx) FDG-PET/CT scans in patients receiving postoperative intensity-modulated radiotherapy (IMRT) for head and neck squamous cell carcinomas (HNSCC). MATERIALS AND METHODS Eighty-two patients with HNSCC treated with surgery and postoperative IMRT with or without chemotherapy from October 15, 2008 to December 31, 2014 that had post-tx PET/CT within 6 months of completing IMRT were included. PET/CT was considered positive based on multi-disciplinary review integrating clinical information. Survival analysis was performed using the Kaplan-Meier method. Categorical and continuous predictors of positive post-tx PET/CT were evaluated using Fisher's exact test and logistic regression, respectively. Predictors for survival outcomes were evaluated with log-rank testing. A p ≤ 0.05 was considered statistically significant. RESULTS Median follow-up was 3.88 years. For all patients, 3-year overall survival (OS) and recurrence-free survival (RFS) were 71.8% and 61.3%, respectively. Patients with positive post-tx PET/CT had worse OS compared to those with negative post-tx PET/CT (log rank p < 0.001). For patients with positive post-tx PET/CT, 3-year OS was 11.2% compared to 89.9% for patients with negative post-tx PET/CT. The positive predictive value (PPV) of PET/CT was 100% for local recurrence (LR), regional recurrence (RR) and distant metastasis (DM). The negative predictive values (NPV) for LR, RR and DM were 89.0%, 89.2%, and 85.9%, respectively. Perineural invasion (p = 0.009), p16 status (p = 0.009), non-oropharyngeal primary site (p = 0.002), and the use of chemotherapy (p = 0.01) were independent predictors of positive PET/CT. CONCLUSIONS Post-tx PET/CT after postoperative radiation is prognostic for survival outcomes. The PPV of post-tx PET for recurrence was excellent, allowing for early detection of recurrent disease. Post-tx PET/CT should be considered after postoperative radiation.
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Affiliation(s)
- Yan Li
- Department of Radiation Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Musaddiq J Awan
- Department of Radiation Oncology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.
| | - Tangel Chang
- Department of Radiation Oncology, University of Toledo, Toledo, OH, USA
| | - Pierre Lavertu
- Department of Otolaryngology and Head and Neck Surgery, University Hospitals, Cleveland, OH, USA
| | - Chad Zender
- Department of Otolaryngology and Head and Neck Surgery, University Hospitals, Cleveland, OH, USA
| | - Rod Rezaee
- Department of Otolaryngology and Head and Neck Surgery, University Hospitals, Cleveland, OH, USA
| | - Nicole Fowler
- Department of Otolaryngology and Head and Neck Surgery, University Hospitals, Cleveland, OH, USA
| | - Jay Wasman
- Department of Pathology, University Hospitals, Cleveland, OH, USA
| | - Norbert E Avril
- Department of Nuclear Medicine and Radiology, University Hospitals, Cleveland, OH, USA
| | - Nianyong Chen
- Department of Radiation Oncology, West China Hospital of Sichuan University, Chengdu, China
| | - Mitchell Machtay
- Department of Radiation Oncology, Case Western Reserve University and University Hospitals, Cleveland, OH, USA
| | - Min Yao
- Department of Radiation Oncology, Case Western Reserve University and University Hospitals, Cleveland, OH, USA
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Castelli J, De Bari B, Depeursinge A, Simon A, Devillers A, Roman Jimenez G, Prior J, Ozsahin M, de Crevoisier R, Bourhis J. Overview of the predictive value of quantitative 18 FDG PET in head and neck cancer treated with chemoradiotherapy. Crit Rev Oncol Hematol 2016; 108:40-51. [PMID: 27931839 DOI: 10.1016/j.critrevonc.2016.10.009] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 10/08/2016] [Accepted: 10/26/2016] [Indexed: 02/03/2023] Open
Abstract
18 F-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/CT) allows to quantify the metabolic activity of a tumor (glycolysis) and has become a reference tool in oncology for the staging, restaging, radiotherapy planning and monitoring response in many cancers. Quantitative analyses have been introduced in order to overcome some of the limits of the visual methods, allowing an easier and more objective comparison of the inter- and intra-patients variations. The aims of this review were to report available evidences on the clinical value of quantitative PET/CT parameters in HNC. Forty-five studies, for a total of 2928 patients, were analyzed. Most of the data available dealt with the intensity of the metabolism, calculated from the Standard Uptake Value (SUV). Metabolic Tumor Volume (MTV) was well correlated with overall survival and disease free survival, with a higher predictive value than the maximum SUV. Spatial distribution of metabolism and textural analyses seems promising.
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Affiliation(s)
- J Castelli
- Radiotherapy Department, CHUV, Lausanne, Switzerland; INSERM, U1099, Rennes, F-35000, France; Université de Rennes 1, LTSI, Rennes, F-35000, France.
| | - B De Bari
- Radiotherapy Department, CHUV, Lausanne, Switzerland
| | - A Depeursinge
- University of Applied Sciences Western Switzerland, 3960 Sierre, Switzerland; Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne VD, Switzerland
| | - A Simon
- INSERM, U1099, Rennes, F-35000, France; Université de Rennes 1, LTSI, Rennes, F-35000, France
| | - A Devillers
- Nuclear Medecine Department, Centre Eugene Marquis, Rennes, F-35000, France
| | - G Roman Jimenez
- INSERM, U1099, Rennes, F-35000, France; Université de Rennes 1, LTSI, Rennes, F-35000, France; Keosys Medical imaging, 1 Impasse Augustin Fresnel, Saint-Herblain, F-44815, France
| | - J Prior
- Nuclear Medecine Department, CHUV, Switzerland
| | - M Ozsahin
- Radiotherapy Department, CHUV, Lausanne, Switzerland
| | - R de Crevoisier
- INSERM, U1099, Rennes, F-35000, France; Université de Rennes 1, LTSI, Rennes, F-35000, France; Radiotherapy Department, Centre Eugene Marquis, Rennes, F-35000, France
| | - J Bourhis
- Radiotherapy Department, CHUV, Lausanne, Switzerland
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Nguyen VD, Tantiwongkosi B, Weinheimer WJ, Miller FR. Positron-emission tomography/computed tomography imaging in head and neck oncology: An update. World J Otorhinolaryngol 2016; 6:23-32. [DOI: 10.5319/wjo.v6.i2.23] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Revised: 11/09/2015] [Accepted: 03/18/2016] [Indexed: 02/06/2023] Open
Abstract
Cancers of the head and neck account for more than half a million cases worldwide annually, with a significant majority diagnosed as squamous cell carcinoma (HNSCC). Imaging studies such as contrast-enhanced computed tomography (CT), magnetic resonance imaging (MRI) and 18F-2-fluoro-2-deoxy-D-glucose positron-emission tomography/computed tomography (18F-FDG PET/CT) are widely used to determine the presence and extent of tumors and metastatic disease, both before and after treatment. Advances in PET/CT imaging have allowed it to emerge as a superior imaging modality compared to both CT and MRI, especially in detection of carcinoma of unknown primary, cervical lymph node metastasis, distant metastasis, residual/recurrent cancer and second primary tumors, often leading to alteration in management. PET/CT biomarker may further provide an overall assessment of tumor aggressiveness with prognostic implications. As new developments emerged leading to better understanding and use of PET/CT in head and neck oncology, the aim of this article is to review the roles of PET/CT in both pre- and post-treatment management of HNSCC and PET-derived parameters as prognostic indicators.
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Blatt S, Ziebart T, Krüger M, Pabst AM. Diagnosing oral squamous cell carcinoma: How much imaging do we really need? A review of the current literature. J Craniomaxillofac Surg 2016; 44:538-49. [DOI: 10.1016/j.jcms.2016.02.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 01/28/2016] [Accepted: 02/04/2016] [Indexed: 12/11/2022] Open
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Schwartz DL, Harris J, Yao M, Rosenthal DI, Opanowski A, Levering A, Ang KK, Trotti AM, Garden AS, Jones CU, Harari P, Foote R, Holland J, Zhang Q, Le QT. Metabolic tumor volume as a prognostic imaging-based biomarker for head-and-neck cancer: pilot results from Radiation Therapy Oncology Group protocol 0522. Int J Radiat Oncol Biol Phys 2015; 91:721-9. [PMID: 25752384 PMCID: PMC4672942 DOI: 10.1016/j.ijrobp.2014.12.023] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 12/03/2014] [Accepted: 12/09/2014] [Indexed: 01/06/2023]
Abstract
PURPOSE To evaluate candidate fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) imaging biomarkers for head-and-neck chemoradiotherapy outcomes in the cooperative group trial setting. METHODS AND MATERIALS Radiation Therapy Oncology Group (RTOG) protocol 0522 patients consenting to a secondary FDG-PET/CT substudy were serially imaged at baseline and 8 weeks after radiation. Maximum standardized uptake value (SUVmax), SUV peak (mean SUV within a 1-cm sphere centered on SUVmax), and metabolic tumor volume (MTV) using 40% of SUVmax as threshold were obtained from primary tumor and involved nodes. RESULTS Of 940 patients entered onto RTOG 0522, 74 were analyzable for this substudy. Neither high baseline SUVmax nor SUVpeak from primary or nodal disease were associated with poor treatment outcomes. However, primary tumor MTV above the cohort median was associated with worse local-regional control (hazard ratio 4.01, 95% confidence interval 1.28-12.52, P=.02) and progression-free survival (hazard ratio 2.34, 95% confidence interval 1.02-5.37, P=.05). Although MTV and T stage seemed to correlate (mean MTV 6.4, 13.2, and 26.8 for T2, T3, and T4 tumors, respectively), MTV remained a strong independent prognostic factor for progression-free survival in bivariate analysis that included T stage. Primary MTV remained prognostic in p16-associated oropharyngeal cancer cases, although sample size was limited. CONCLUSION High baseline primary tumor MTV was associated with worse treatment outcomes in this limited patient subset of RTOG 0522. Additional confirmatory work will be required to validate primary tumor MTV as a prognostic imaging biomarker for patient stratification in future trials.
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Affiliation(s)
- David L Schwartz
- Department of Radiation Oncology, University of Texas Southwestern School of Medicine, Dallas, Texas.
| | - Jonathan Harris
- Radiation Therapy Oncology Group Statistical Center, Philadelphia, Pennsylvania
| | - Min Yao
- Department of Radiation Oncology, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - David I Rosenthal
- Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Adam Opanowski
- American College of Radiology Imaging Network, Philadelphia, Pennsylvania
| | - Anthony Levering
- American College of Radiology Imaging Network, Philadelphia, Pennsylvania
| | - K Kian Ang
- Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Andy M Trotti
- Department of Radiation Oncology, Moffitt Cancer Center, Tampa, Florida
| | - Adam S Garden
- Department of Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas
| | | | - Paul Harari
- Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Robert Foote
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
| | - John Holland
- Department of Radiation Medicine, Oregon Health & Science University, Portland, Oregon
| | - Qiang Zhang
- Radiation Therapy Oncology Group Statistical Center, Philadelphia, Pennsylvania
| | - Quynh-Thu Le
- Department of Radiation Oncology, Stanford University School of Medicine, Palo Alto, California
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Siddiqui F, Yao M. Application of fluorodeoxyglucose positron emission tomography in the management of head and neck cancers. World J Radiol 2014; 6:238-251. [PMID: 24976927 PMCID: PMC4072811 DOI: 10.4329/wjr.v6.i6.238] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Revised: 02/16/2014] [Accepted: 03/14/2014] [Indexed: 02/06/2023] Open
Abstract
The use of fluorodeoxyglucose positron emission tomography (FDG PET) scan technology in the management of head and neck cancers continues to increase. We discuss the biology of FDG uptake in malignant lesions and also discuss the physics of PET imaging. The various parameters described to quantify FDG uptake in cancers including standardized uptake value, metabolic tumor volume and total lesion glycolysis are presented. PET scans have found a significant role in the diagnosis and staging of head and neck cancers. They are also being increasingly used in radiation therapy treatment planning. Many groups have also used PET derived values to serve as prognostic indicators of outcomes including loco-regional control and overall survival. FDG PET scans are also proving very useful in assessing the efficacy of treatment and management and follow-up of head and neck cancer patients. This review article focuses on the role of FDG-PET computed tomography scans in these areas for squamous cell carcinoma of the head and neck. We present the current state of the art and speculate on the future applications of this technology including protocol development, newer imaging methods such as combined magnetic resonance and PET imaging and novel radiopharmaceuticals that can be used to further study tumor biology.
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Pérez Romasanta LA, García Velloso MJ, López Medina A. Functional imaging in radiation therapy planning for head and neck cancer. Rep Pract Oncol Radiother 2013; 18:376-82. [PMID: 24416582 PMCID: PMC3863200 DOI: 10.1016/j.rpor.2013.10.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2013] [Revised: 10/16/2013] [Accepted: 10/16/2013] [Indexed: 11/22/2022] Open
Abstract
Functional imaging and its application to radiotherapy (RT) is a rapidly expanding field with new modalities and techniques constantly developing and evolving. As technologies improve, it will be important to pay attention to their implementation. This review describes the main achievements in the field of head and neck cancer (HNC) with particular remarks on the unsolved problems.
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Affiliation(s)
- Luis A. Pérez Romasanta
- Radiation Oncology, Hospital Universitario de Salamanca, Ps. San Vicente 58, 37007 Salamanca, Spain
| | | | - Antonio López Medina
- Medical Physics Department and Radiological Protection, Galaria – Hospital do Meixoeiro – Complexo Hospitalario Universitario de Vigo, Vigo, Spain
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10
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Hamilton JD, Ahmed S, Sandulache VC, Daram SP, Ow TJ, Skinner HD, Rao A, Ginsberg LE, Kumar AJ, Myers JN. Improving imaging diagnosis of persistent nodal metastases after definitive therapy for oropharyngeal carcinoma: specific signs for CT and best performance of combined criteria. AJNR Am J Neuroradiol 2013; 34:1637-42. [PMID: 23471023 DOI: 10.3174/ajnr.a3461] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND AND PURPOSE Criteria for detection of persistent nodal metastases in treated oropharyngeal tumors are sensitive but nonspecific, leading to unnecessary nodal dissections. Developing specific imaging criteria for persistent nodal metastases could improve diagnosis while decreasing patient morbidity. MATERIALS AND METHODS Patients with oropharyngeal squamous cell carcinoma with nodal metastases treated by definitive radiation therapy and subsequent nodal dissection were retrospectively evaluated. One hundred thirty-eight patients had pre- and posttherapy contrast-enhanced CTs evaluated by radiologists blinded to the status of pathologically proved hemineck persistent nodal metastases. Composite scoring criteria for CT, combined from individual parameters, were compared with radiologists' opinions, previous multiparameter criteria, and outcome data. RESULTS New low-attenuation areas and a lack of size change (<20% cross sectional area) were both highly specific for persistent nodal metastases (99%; P = .0004). Extranodal disease on pretherapy imaging was moderately specific (86%; P = .001). The CSC correctly placed 29 patients in a low-risk category compared with 14 by previously reported criteria and radiologist reports. With good second-rater reliability, the CSC cutoff values stratified patients at highest risk of persistent nodal metastases, thereby improving specificity while maintaining sensitivity. CONCLUSIONS Comparing pre- and posttherapy examinations improves specificity by discriminating focal findings and size change compared with a single time point. The CSC can categorize the risk of persistent nodal metastases more accurately than previous CT methods. This finding has the potential to improve resource use and reduce surgical morbidity.
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Affiliation(s)
- J D Hamilton
- Neuroradiology Section, Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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Newbold K, Powell C. PET/CT in Radiotherapy Planning for Head and Neck Cancer. Front Oncol 2012; 2:189. [PMID: 23233906 PMCID: PMC3518254 DOI: 10.3389/fonc.2012.00189] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Accepted: 11/20/2012] [Indexed: 11/25/2022] Open
Abstract
The use of PET/CT as an adjunct in radiotherapy planning is an attractive option in head and neck cancer (HNC) for several reasons. First, with potentially better identification of the disease extent, i.e., staging, the risk of geographical miss of radiation delivery to the gross tumor volume is reduced. Second, in characterizing the biological behavior of the disease for example, areas of hypoxia, rich or poor vascularity, or high cell proliferation, PET/CT can identify biological target volumes either for escalation of radiation dose or to predict the requirement for the addition of a radiosensitizer or alternative treatment strategies. 18F-FDG is the most common tracer used in oncology studies, but many other tracers have been investigated with several entering clinical practice, although these remain predominantly in the research domain in HNC.
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Affiliation(s)
- Katie Newbold
- The Royal Marsden National Health Service Trust London, UK
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12
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Siddiqui F, Faulhaber PF, Yao M, Le QT. The Application of FDG-PET as Prognostic Indicators in Head and Neck Squamous Cell Carcinoma. PET Clin 2012; 7:381-94. [PMID: 27157645 DOI: 10.1016/j.cpet.2012.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
This article discusses the role of FDG-PETederived parameters as prognostic indicators in patients with squamous cell carcinoma of the head and neck. The basic underlying biology of FDG-PET scans and the quantitative information that can be derived are discussed. A review of the literature is performed. Potential applications in the management of head and neck cancer and future directions in clinical trials are discussed.
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Affiliation(s)
- Farzan Siddiqui
- Department of Radiation Oncology, Henry Ford Hospital, 2799 West Grand Boulevard, Detroit, MI 48202, USA
| | - Peter F Faulhaber
- Division of Nuclear Medicine, Department of Radiology, University Hospitals Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106, USA
| | - Min Yao
- Department of Radiation Oncology, University Hospitals Case Medical Center, 11100 Euclid Avenue, Cleveland, OH 44106, USA.
| | - Quynh-Thu Le
- Department of Radiation Oncology, Stanford University, 875 Blake Wilbur Drive, Stanford, CA 94305, USA
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Cannon B, Schwartz DL, Dong L. Metabolic imaging biomarkers of postradiotherapy xerostomia. Int J Radiat Oncol Biol Phys 2012; 83:1609-16. [PMID: 22658215 PMCID: PMC4271834 DOI: 10.1016/j.ijrobp.2011.10.074] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Revised: 10/05/2011] [Accepted: 10/28/2011] [Indexed: 11/25/2022]
Abstract
PURPOSE Xerostomia is a major complication of head and neck radiotherapy (RT). Available xerostomia measures remain flawed. [(18)F]fluorodeoxyglucose-labeled positron emission tomography-computed tomography (FDG-PET-CT) is routinely used for staging and response assessment of head and neck cancer. We investigated quantitative measurement of parotid gland FDG uptake as a potential biomarker for post-RT xerostomia. METHODS AND MATERIALS Ninety-eight locally advanced head and neck cancer patients receiving definitive RT underwent baseline and post-RT FDG-PET-CT on a prospective imaging trial. A separate validation cohort of 14 patients underwent identical imaging while prospectively enrolled in a second trial collecting sialometry and patient-reported outcomes. Radiation dose and pre- and post-RT standard uptake values (SUVs) for all voxels contained within parotid gland ROI were deformably registered. RESULTS Average whole-gland or voxel-by-voxel models incorporating parotid D(Met) (defined as the pretreatment parotid SUV weighted by dose) accurately predicted posttreatment changes in parotid FDG uptake (e.g., fractional parotid SUV). Fractional loss of parotid FDG uptake closely paralleled early parotid toxicity defined by posttreatment salivary output (p < 0.01) and Radiation Therapy Oncology Group/European Organization for Research and Treatment of Cancer xerostomia scores (p < 0.01). CONCLUSIONS In this pilot series, loss of parotid FDG uptake was strongly associated with acute clinical post-RT parotid toxicity. D(Met) may potentially be used to guide function-sparing treatment planning. Prospective validation of FDG-PET-CT as a convenient, quantifiable imaging biomarker of parotid function is warranted and ongoing.
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Affiliation(s)
- Blake Cannon
- Department of Radiation Physics, The University of Texas M.D. Anderson Cancer Center, Houston, TX
| | - David L. Schwartz
- Department of Radiation Oncology, The University of Texas M.D. Anderson Cancer Center, Houston, TX
- Department of Radiation Medicine, Hofstra North Shore-LIJ School of Medicine, New Hyde Park, NY
- The Feinstein Institute for Medical Research, Manhasset, NY
| | - Lei Dong
- Department of Radiation Physics, The University of Texas M.D. Anderson Cancer Center, Houston, TX
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15
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Lucs A, Saltman B, Chung CH, Steinberg BM, Schwartz DL. Opportunities and challenges facing biomarker development for personalized head and neck cancer treatment. Head Neck 2012; 35:294-306. [PMID: 22287320 DOI: 10.1002/hed.21975] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Accepted: 09/08/2011] [Indexed: 12/25/2022] Open
Abstract
Head and neck oncologists have traditionally relied on clinical tumor features and patient characteristics to guide care of individual patients. As surgical, radiotherapeutic, and systemic treatments have evolved to become more anatomically precise and mechanistically specific, the opportunity for improved cure and functional patient recovery has never been more promising for this historically debilitating cancer. However, personalized treatment must be accompanied by sophisticated patient selection to triage the application of advanced therapies toward ideal patient candidates. In this monograph, we review current progress, investigative themes, and key challenges facing head and neck cancer biomarker development intended to make personalized head and neck cancer treatment a clinical reality.
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Affiliation(s)
- Alexandra Lucs
- The Feinstein Institute for Medical Research, Manhasset, NY, USA
| | - Benjamin Saltman
- Department of Otolaryngology, Hofstra North Shore-LIJ School of Medicine, Hempstead, NY, USA
| | - Christine H Chung
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Bettie M Steinberg
- The Feinstein Institute for Medical Research, Manhasset, NY, USA.,Department of Otolaryngology, Hofstra North Shore-LIJ School of Medicine, Hempstead, NY, USA
| | - David L Schwartz
- The Feinstein Institute for Medical Research, Manhasset, NY, USA.,Department of Otolaryngology, Hofstra North Shore-LIJ School of Medicine, Hempstead, NY, USA.,Department of Radiation Medicine, Hofstra North Shore-LIJ School of Medicine, Hempstead, NY, USA
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Nuyts S, Fairchild A. Radiotherapy for Head and Neck Cancer: An Increasing Dependence on Innovative Imaging. ACTA ACUST UNITED AC 2012; 35:287-92. [DOI: 10.1159/000338433] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Moeller BJ, Yordy JS, Williams MD, Giri U, Raju U, Molkentine DP, Byers LA, Heymach JV, Story MD, Lee JJ, Sturgis EM, Weber RS, Garden AS, Ang KK, Schwartz DL. DNA repair biomarker profiling of head and neck cancer: Ku80 expression predicts locoregional failure and death following radiotherapy. Clin Cancer Res 2011; 17:2035-43. [PMID: 21349997 DOI: 10.1158/1078-0432.ccr-10-2641] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
PURPOSE Radiotherapy plays an integral role in the treatment of head and neck squamous cell carcinoma (HNSCC). Although proteins involved in DNA repair may predict HNSCC response to radiotherapy, none has been validated in this context. We examined whether differential expression of double-strand DNA break (DSB) repair proteins in HNSCC, the chief mediators of DNA repair following irradiation, predict for treatment outcomes. EXPERIMENTAL DESIGN Archival HNSCC tumor specimens (n = 89) were assembled onto a tissue microarray and stained with antibodies raised against 38 biomarkers. The biomarker set was enriched for proteins involved in DSB repair, in addition to established mechanistic markers of radioresistance. Staining was correlated with treatment response and survival alongside established clinical and pathologic covariates. Results were validated in an independent intramural cohort (n = 34). RESULTS Ku80, a key mediator of DSB repair, correlated most closely with clinical outcomes. Ku80 was overexpressed in half of all tumors, and its expression was independent of all other covariates examined. Ku80 overexpression was an independent predictor for both locoregional failure and mortality following radiotherapy (P < 0.01). The predictive power of Ku80 overexpression was confined largely to HPV-negative HNSCC, where it conferred a nine-fold greater risk of death at two years. CONCLUSIONS Ku80 overexpression is a common feature of HNSCC, and is a candidate DNA repair-related biomarker for radiation treatment failure and death, particularly in patients with high-risk HPV-negative disease. It is a promising, mechanistically rational biomarker to select individual HPV-negative HNSCC patients for strategies to intensify treatment.
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Affiliation(s)
- Benjamin J Moeller
- Department of Radiation Oncology, University of Texas M.D. Anderson Cancer Center, Houston, Texas, USA
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Hirst DG, Robson T. Molecular biology: the key to personalised treatment in radiation oncology? Br J Radiol 2011; 83:723-8. [PMID: 20739343 DOI: 10.1259/bjr/91488645] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
We know considerably more about what makes cells and tissues resistant or sensitive to radiation than we did 20 years ago. Novel techniques in molecular biology have made a major contribution to our understanding at the level of signalling pathways. Before the "New Biology" era, radioresponsiveness was defined in terms of physiological parameters designated as the five Rs. These are: repair, repopulation, reassortment, reoxygenation and radiosensitivity. Of these, only the role of hypoxia proved to be a robust predictive and prognostic marker, but radiotherapy regimens were nonetheless modified in terms of dose per fraction, fraction size and overall time, in ways that persist in clinical practice today. The first molecular techniques were applied to radiobiology about two decades ago and soon revealed the existence of genes/proteins that respond to and influence the cellular outcome of irradiation. The subsequent development of screening techniques using microarray technology has since revealed that a very large number of genes fall into this category. We can now obtain an adequately robust molecular signature, predicting for a radioresponsive phenotype using gene expression and proteomic approaches. In parallel with these developments, functional magnetic resonance imaging (fMRI) and positron emission tomography (PET) can now detect specific biological molecules such as haemoglobin and glucose, so revealing a 3D map of tumour blood flow and metabolism. The key to personalised radiotherapy will be to extend this capability to the proteins of the molecular signature that determine radiosensitivity.
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