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Robles Barba JJ, Llobera AS, Cenzano CG, Martin Marcuartu JJ, Martínez NR, Paules Villar MJ, Larrañaga CB, Inglada AB, Campos MC, Pous AF, Guzmán MG, Romera MC. Role of (F-18) Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography in the Prediction of Response to Neoadjuvant Therapy in Esophageal Cancer: Correlation with Pathological Response and Survival. Indian J Nucl Med 2023; 38:97-102. [PMID: 37456192 PMCID: PMC10348503 DOI: 10.4103/ijnm.ijnm_12_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/29/2022] [Accepted: 04/04/2022] [Indexed: 07/18/2023] Open
Abstract
Purpose The purpose of this study is to assess the correlation between metabolic response with fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) and pathological response in patients with locally advanced esophageal cancer treated with neoadjuvant chemoradiotherapy and to study FDG-PET parameters for the prediction of pathological response and outcome. Methods Twenty-five patients with locally advanced esophageal cancer underwent two FDG-PET/CT scans for initial staging and after neoadjuvant chemoradiotherapy. FDG uptake in the primary tumor was calculated in both scans (SUVmax, SULpeak, and TLG). Metabolic response was assessed according to the reduction of PET parameters: complete response (mCR = 100%), partial response (mPR ≥50%), and no response (mNR ≤50%). Pathological response was also classified as complete (pCR), partial (pPR), or no response (pNR). Patients were followed up (range, 8-99 months) determining free-disease interval (FDI) and overall survival (OS). Results Two patients were excluded due to exitus for nonesophageal-related causes. The metabolic response was observed in 18/23 remaining patients (3mCR, 15 mPR), of which 12/18 patients showed a pathological response (3 pCR, 9 pPR). A major discrepancy was observed in 2 mNR patients who achieved pPR. FDI and OS were longer in patients with metabolic response than nonresponders, but no statistical difference was found. No significant correlation was found between PET parameters and pathological response, FDI, and OS. Conclusions FDG-PET/CT is a useful technique to assess response to neoadjuvant chemoradiotherapy in esophageal cancer. Although in this preliminary study, no correlation between metabolic and pathologic response was found and no statistical differences between responders and nonresponders were observed, a tendency of longer FDI and OS was apparently found in responders patients.
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Chakrabarty N, Mahajan A, Prabhash K, Patil P, Chowhan M, Munmmudi N, Niyogi D, Dabkara D, Singh S, Singh A, Devarmani S, Dhull VS. Imaging Recommendations for Diagnosis, Staging, and Management of Esophageal Cancer. Indian J Med Paediatr Oncol 2023. [DOI: 10.1055/s-0042-1760324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Abstract
AbstractEarly staging and treatment initiation affect prognosis of patients with esophageal and esophagogastric junction cancer; hence, it is imperative to have knowledge of proper choice of imaging modality for staging of these patients, to effectively convey relevant imaging findings to the treating physician/surgeon. It is also essential to be aware of pertinent imaging findings that need to be conveyed to the treating physician/surgeon at staging, and after treatment, including post-therapy complications (if any), so as to provide timely management to such patients. In this article, we have provided imaging guidelines for diagnosis, staging, post-therapy response evaluation, follow-up, and assessment of post-therapy complications of esophageal and esophagogastric junction cancer in a systematic manner. Besides, risk factors and clinical workup have also been elucidated. We have also attached comprehensive staging and post-therapy contrast-enhanced computed tomography and fluorodeoxyglucose-positron emission tomography/computed tomography-based synoptic reporting formats “ECI-RADS” and “pECI-RADS,” respectively, for esophageal and esophagogastric junction cancer in the supplement, for effective communication of imaging findings between a radiologist and the treating physician/surgeon.
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Affiliation(s)
- Nivedita Chakrabarty
- Department of Radiodiagnosis, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Abhishek Mahajan
- The Clatterbridge Cancer Centre NHS Foundation Trust, Liverpool, United Kingdom
| | - Kumar Prabhash
- Department of Medical Oncology, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Prachi Patil
- Department of Digestive Diseases and Clinical Nutrition, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Manoranjan Chowhan
- Department of Nuclear Medicine and PET/CT, Aditya Birla Memorial Hospital, Pune, Maharashtra, India
| | - Naveen Munmmudi
- Department of Radiation Oncology, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Devayani Niyogi
- Department of Surgical Oncology, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Deepak Dabkara
- Department of Oncology, CHL Hospitals, Indore, Madhya Pradesh, India
| | - Suryaveer Singh
- Department of Radiodiagnosis, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Ajaykumar Singh
- Department of Medical Oncology, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Sanjana Devarmani
- Department of Radiodiagnosis, Tata Memorial Centre, Homi Bhabha National Institute (HBNI), Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - Varun Singh Dhull
- Department of Nuclear Medicine and PET/CT, Aditya Birla Memorial Hospital, Pune, Maharashtra, India
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Impact of Blood Parameters and Normal Tissue Dose on Treatment Outcome in Esophageal Cancer Patients Undergoing Neoadjuvant Radiochemotherapy. Cancers (Basel) 2022; 14:cancers14143504. [PMID: 35884564 PMCID: PMC9320742 DOI: 10.3390/cancers14143504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/10/2022] [Accepted: 07/11/2022] [Indexed: 11/16/2022] Open
Abstract
Despite technological advances, normal tissue sparing in photon beam irradiation is still challenging. Since in esophageal cancer this may inflict damage on the lungs, heart and bone marrow, possibly impacting on outcome, the aim of this study was to investigate the association of normal tissue dose and blood parameters on the survival of patients having undergone neoadjuvant radiochemotherapy (RCTx) followed by surgery. This retrospective study included 125 patients irradiated to 40−41.4 Gy with photons or protons combined with concurrent chemotherapy. On initial and restaging 18F-FDG-PET/CT, the lungs and heart were contoured as organs at risk for which standardized uptake values (SUV) were evaluated. The mean radiation dose (Dmean) to the lungs and heart, the volume of the lungs receiving at least 20 Gy (V20Gy_lung) and various pre- and per-treatment blood parameters were included in the Cox regression analyses. Results: The median follow-up time was 19.8 months and median overall survival 37 months (95% confidence interval: 16−58.9 months). In multivariate analysis, higher radiation doses to the lungs and heart were statistically significantly associated with decreased overall survival (Dmean_lung: p < 0.001; V20Gy_lung: p < 0.002; Dmean_heart: p = 0.005). Neither the 18F-FDG-PET nor blood parameters were predictive for overall survival. In patients with locally advanced esophageal cancer treated with RCTx, the radiation dose to the heart and lungs was significantly associated with overall survival.
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Lee BM, Lee CG. Significance of mid-radiotherapy 18F-fluorodeoxyglucose positron emission tomography/computed tomography in esophageal cancer. Radiother Oncol 2022; 171:114-120. [PMID: 35447284 DOI: 10.1016/j.radonc.2022.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/27/2022] [Accepted: 04/11/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND AND PURPOSE Metabolic parameters evaluated by 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) are known as prognostic markers in various cancers. We aimed to validate the predictive value of mid-radiotherapy (RT) FDG PET/CT parameters in esophageal cancer. MATERIALS AND METHODS Eighty-three patients treated with RT with or without chemotherapy between 2015 and 2020 were included. PET parameters including metabolic tumor volume (MTV), total lesion glycolysis, and mean (SUVmean) and maximum standardized uptake value (SUVmax) were analyzed. Locoregional recurrence-free rate (LRFR) and distant metastasis-free rate (DMFR) were analyzed. RESULTS The median follow-up period was 10.5 months. Mid-RT SUVmax was significantly associated with LRFR (HR 1.07, p = 0.009) and DMFR (HR 1.13, p=0.047) while mid-RT MTV was associated with DMFR (HR 1.06, p=0.007). Treatment response after RT was associated with overall survival (HR, 1.52, p=0.025). Further, treatment response was significantly associated with mid-RT SUVmax. The optimal cutoff value for mid-RT SUVmax in predicting LRFR and DMFR was 11 while cutoff value for mid-RT MTV was 15. The patients with mid-RT SUVmax≤11 showed superior LRFR and DMFR compared to SUVmax>11 (1-year LRFR; 73.4% vs 48.4%, p=0.028, 1-year DMFR; 74.6% vs 40.7%, p=0.007). The 1-year DMFR was significantly different between patients with mid-RT MTV≤15 and >15 (1-year DMFR; 78.2% vs 31.9%, p=0.002). CONCLUSION Tumor metabolism changes during RT can be a useful predictive tool for treatment response and recurrence in patients with esophageal cancer. Clinicians may consider early response evaluation with PET during RT for information about prognosis.
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Affiliation(s)
- Byung Min Lee
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea; Department of Radiation Oncology, Uijeongbu St. Mary's Hospital, The Catholic University of Korea, Uijeongbu, Gyeonggi-do, Republic of Korea
| | - Chang Geol Lee
- Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea.
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Shashi KK, Madan R, Hammer MM, van Hedent S, Byrne SC, Schmidlin EJ, Mamon H, Hatabu H, Enzinger PC, Gerbaudo VH. Contribution of FDG-PET/CT to the management of esophageal cancer patients at multidisciplinary tumor board conferences. Eur J Radiol Open 2020; 7:100291. [PMID: 33304940 PMCID: PMC7711212 DOI: 10.1016/j.ejro.2020.100291] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 11/23/2020] [Indexed: 12/13/2022] Open
Abstract
Background A multidisciplinary team approach to the management of esophageal cancer patients leads to better clinical decisions. Purpose The contribution of CT, endoscopic and laparoscopic ultrasound to clinical staging and treatment selection by multidisciplinary tumor boards (MTB) in patients with esophageal cancer is well documented. However, there is a paucity of data addressing the role that FDG-PET/CT (PET/CT) plays to inform the clinical decision-making process at MTB conferences. The aim of this study was to assess the impact and contribution of PET/CT to clinical management decisions and to the plan of care for esophageal cancer patients at the MTB conferences held at our institution. Materials and methods This IRB approved study included all the cases discussed in the esophageal MTB meetings over a year period. The information contributed by PET/CT to MTB decision making was grouped into four categories. Category I, no additional information provided for clinical management; category II, equivocal and misguiding information; category III, complementary information to other imaging modalities, and category IV, information that directly changed clinical management. The overall impact on management was assessed retrospectively from prospectively discussed clinical histories, imaging, histopathology, and the official minutes of the MTB conferences. Results 79 patients (61 males and 18 females; median age, 61 years, range, 33–86) with esophageal cancer (53 adenocarcinomas and 26 squamous cell carcinomas) were included. The contribution of PET/CT-derived information was as follows: category I in 50 patients (63%); category II in 3 patients (4%); category III in 8 patients (10%), and category IV information in 18 patients (23%). Forty-five patients (57%) had systemic disease, and in 5 (11%) of these, metastatic disease was only detected by PET/CT. In addition, PET/CT detected previously unknown recurrence in 4 (9%) of 43 patients. In summary, PET/CT provided clinically useful information to guide management in 26 of 79 esophageal cancer patients (33%) discussed at the MTB. Conclusion The study showed that PET/CT provided additional information and changed clinical management in 1 out of 3 (33%) esophageal cancer cases discussed at MTB conferences. These results support the inclusion whenever available, of FDG-PET/CT imaging information to augment and improve the patient management decision process in MTB conferences.
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Affiliation(s)
- Kumar K Shashi
- Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA
| | - Rachna Madan
- Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA
| | - Mark M Hammer
- Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA
| | - Steven van Hedent
- Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA
| | - Suzanne C Byrne
- Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA
| | - Eric J Schmidlin
- Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA
| | - Harvey Mamon
- Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Faber Cancer Center, and Harvard Medical School, Boston, MA, USA
| | - Hiroto Hatabu
- Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA
| | - Peter C Enzinger
- Medical Oncology, Brigham and Women's Hospital and Dana-Faber Cancer Center, and Harvard Medical School, Boston, MA, USA
| | - Victor H Gerbaudo
- Department of Radiology, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA, USA
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Chen PJ, Yap WK, Chang YC, Tseng CK, Chao YK, Hsieh JCH, Pai PC, Lee CH, Yang CK, Ho ATY, Hung TM. Prognostic value of lymph node to primary tumor standardized uptake value ratio in unresectable esophageal cancer. BMC Cancer 2020; 20:545. [PMID: 32522275 PMCID: PMC7288503 DOI: 10.1186/s12885-020-07044-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 06/04/2020] [Indexed: 01/25/2023] Open
Abstract
Background Unresectable esophageal cancer harbors high mortality despite chemoradiotherapy. Better patient selection for more personalized management may result in better treatment outcomes. We presume the ratio of maximum standardized uptake value (SUV) of metastatic lymph nodes to primary tumor (NTR) in 2-deoxy-2-[18F]fluoro-D-glucose positron emission tomography/computed tomography (FDG PET/CT) may provide prognostic information and further stratification of these patients. Methods The patients with non-metastatic and unresectable esophageal squamous cell carcinoma (SCC) receiving FDG PET/CT staging and treated by chemoradiotherapy were retrospectively reviewed. Receiver operating characteristic (ROC) analysis was performed to determine the optimal cut-off value for NTR. Kaplan-Meier method and Cox regression model were used for survival analyses and multivariable analyses, respectively. Results From 2010 to 2016, 96 eligible patients were analyzed. The median follow-up time was 10.2 months (range 1.6 to 83.6 months). Using ROC analysis, the best NTR cut-off value was 0.46 for prediction of distant metastasis. The median distant metastasis-free survival (DMFS) was significantly lower in the high-NTR group (9.5 vs. 22.2 months, p = 0.002) and median overall survival (OS) (9.5 vs. 11.6 months, p = 0.013) was also significantly worse. Multivariable analysis revealed that NTR was an independent prognostic factor for DMFS (hazard ratio [HR] 1.81, p = 0.023) and OS (HR 1.77, p = 0.014). Conclusions High pretreatment NTR predicts worse treatment outcomes and could be an easy-to-use and helpful prognostic factor to provide more personalized treatment for patients with non-metastatic and unresectable esophageal SCC.
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Affiliation(s)
- Po-Jui Chen
- Department of Radiation Oncology and Proton Therapy Center, Linkou Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan, Taoyuan, Taiwan
| | - Wing-Keen Yap
- Department of Radiation Oncology and Proton Therapy Center, Linkou Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan, Taoyuan, Taiwan
| | - Yu-Chuan Chang
- Department of Nuclear Medicine and Molecular Imaging Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, No.259, Wenhua 1st Rd., Kwei-Shan, Taoyuan, Taiwan
| | - Chen-Kan Tseng
- Department of Radiation Oncology and Proton Therapy Center, Linkou Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan, Taoyuan, Taiwan
| | - Yin-Kai Chao
- Division of Thoracic Surgery, Department of Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Jason Chia-Hsun Hsieh
- Division of Medical Oncology, Department of Internal Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,Department of Chemical and Materials Engineering, Chang Gung University, No.259, Wenhua 1st Rd., Kwei-Shan, Taoyuan, Taiwan
| | - Ping-Ching Pai
- Department of Radiation Oncology and Proton Therapy Center, Linkou Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan, Taoyuan, Taiwan
| | - Ching-Hsin Lee
- Department of Radiation Oncology and Proton Therapy Center, Linkou Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan, Taoyuan, Taiwan
| | - Chan-Keng Yang
- Division of Medical Oncology, Department of Internal Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Albert Tsung-Ying Ho
- Department of Nuclear Medicine and Molecular Imaging Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Tsung-Min Hung
- Department of Radiation Oncology and Proton Therapy Center, Linkou Chang Gung Memorial Hospital, 5 Fu-Shin Street, Kwei-Shan, Taoyuan, Taiwan. .,Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, No.259, Wenhua 1st Rd., Kwei-Shan, Taoyuan, Taiwan.
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Bütof R, Hofheinz F, Zöphel K, Schmollack J, Jentsch C, Zschaeck S, Kotzerke J, van den Hoff J, Baumann M. Prognostic value of SUR in patients with trimodality treatment of locally advanced esophageal carcinoma. J Nucl Med 2018; 60:jnumed.117.207670. [PMID: 30166358 PMCID: PMC8833854 DOI: 10.2967/jnumed.117.207670] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 06/07/2018] [Indexed: 11/16/2022] Open
Abstract
The prognosis of patients with esophageal carcinoma remains dismal despite ongoing efforts to improve treatment options. For locally advanced tumors, several randomized trials have shown the benefit of neoadjuvant chemoradiation followed by surgery compared to surgery alone. The aim of this exploratory study was to evaluate the prognostic value of different baseline positron emission tomography (PET) parameters and their potentially additional prognostic impact at the end of neoadjuvant radiochemotherapy. Furthermore, the standard uptake ratio (SUR) as a new parameter for quantification of tumor metabolism was compared to the conventional PET parameters metabolic active volume (MTV), total lesion glycolysis (TLG), and standardized uptake value (SUV) taking into account known basic parameters. Methods:18F-FDG-PET/CT was performed in 76 consecutive patients ((60±10) years, 71 males) with newly diagnosed esophageal cancer before and during the last week of neoadjuvant radiochemotherapy. MTV of the primary tumor was delineated with an adaptive threshold method. The blood SUV was determined by manually delineating the aorta in the low dose CT. SUR values were computed as scan time corrected ratio of tumor SUVmax and mean blood SUV. Univariate Cox regression and Kaplan-Meier analysis with respect to locoregional control (LRC), freedom from distant metastases (FFDM), and overall survival (OS) was performed. Additionally, independence of PET parameters from standard clinical factors was analyzed with multivariate Cox regression. Results: In multivariate analysis two parameters showed a significant correlation with all endpoints: restaging MTV and restaging SUR. Furthermore, restaging TLG was prognostic for LCR and FFDM. For all endpoints the largest effect size was found for restaging SUR. The only basic factors remaining significant in multivariate analyses were histology for OS and FFDM and age for LRC. Conclusion: PET provides independent prognostic information for OS, LRC, and FFDM in addition to standard clinical parameters in this patient cohort. Our results suggest that the prognostic value of tracer uptake can be improved when characterized by SUR rather than by SUV. Overall, our investigation revealed a higher prognostic value of restaging parameters compared to baseline PET; therapy-adjustments would still be possible at this point of time. Further investigations are required to confirm these hypothesis-generating results.
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Affiliation(s)
- Rebecca Bütof
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- OncoRay–National Center for Radiation Research in Oncology, Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Dresden, Germany
| | - Frank Hofheinz
- PET Center, Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research, Dresden, Germany
| | - Klaus Zöphel
- OncoRay–National Center for Radiation Research in Oncology, Dresden, Germany
- Department of Nuclear Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Julia Schmollack
- Department of Nuclear Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Christina Jentsch
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- OncoRay–National Center for Radiation Research in Oncology, Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Dresden, Germany
| | - Sebastian Zschaeck
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- OncoRay–National Center for Radiation Research in Oncology, Dresden, Germany
| | - Jörg Kotzerke
- OncoRay–National Center for Radiation Research in Oncology, Dresden, Germany
- Department of Nuclear Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Dresden, Germany
| | - Jörg van den Hoff
- PET Center, Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiopharmaceutical Cancer Research, Dresden, Germany
- Department of Nuclear Medicine, University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Michael Baumann
- Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- OncoRay–National Center for Radiation Research in Oncology, Dresden, Germany
- National Center for Tumor Diseases (NCT), Partner Site Dresden, Dresden, Germany
- German Cancer Consortium (DKTK), Partner Site Dresden, Dresden, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany; and
- Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology–OncoRay, Dresden, Germany
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Salazar A, Júnior EP, Salles PGO, Silva-Filho R, Reis EA, Mamede M. 18F-FDG PET/CT as a prognostic factor in penile cancer. Eur J Nucl Med Mol Imaging 2018; 46:855-863. [DOI: 10.1007/s00259-018-4128-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 08/07/2018] [Indexed: 11/28/2022]
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Fagundes TC, Mafra A, Silva RG, Castro ACG, Silva LC, Aguiar PT, Silva JA, P. Junior E, Machado AM, Mamede M. Individualized threshold for tumor segmentation in 18F-FDG PET/CT imaging: The key for response evaluation of neoadjuvant chemoradiation therapy in patients with rectal cancer? Rev Assoc Med Bras (1992) 2018; 64:119-126. [DOI: 10.1590/1806-9282.64.02.119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Accepted: 07/17/2017] [Indexed: 11/21/2022] Open
Abstract
Summary Introduction: The standard treatment for locally advanced rectal cancer (RC) consists of neoadjuvant chemoradiation followed by radical surgery. Regardless the extensive use of SUVmax in 18F-FDG PET tumor uptake as representation of tumor glycolytic consumption, there is a trend to apply metabolic volume instead. Thus, the aim of the present study was to evaluate a noninvasive method for tumor segmentation using the 18F-FDG PET imaging in order to predict response to neoadjuvant chemoradiation therapy in patients with rectal cancer. Method: The sample consisted of stage II and III rectal cancer patients undergoing 18F-FDG PET/CT examination before and eight weeks after neoadjuvant therapy. An individualized tumor segmentation methodology was applied to generate tumor volumes (SUV2SD) and compare with standard SUVmax and fixed threshold (SUV40%, SUV50% and SUV60%) pre- and post-therapy. Therapeutic response was assessed in the resected specimens using Dworak's protocol recommendations. Several variables were generated and compared with the histopathological results. Results: Seventeen (17) patients were included and analyzed. Significant differences were observed between responders (Dworak 3 and 4) and non-responders for SUVmax-2 (p<0.01), SUV2SD-2 (p<0.05), SUV40%-2 (p<0.05), SUV50%-2 (p<0.05) and SUV60%-2 (p<0.05). ROC analyses showed significant areas under the curve (p<0.01) for the proposed methodology with sensitivity and specificity varying from 60% to 83% and 73% to 82%, respectively. Conclusion: The present study confirmed the predictive power of the variables using a noninvasive individualized methodology for tumor segmentation based on 18F-FDG PET/CT imaging for response evaluation in patients with rectal cancer after neoadjuvant chemoradiation therapy.
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Gerbaudo VH, Killoran JH, Kim CK, Hornick JL, Nowak JA, Enzinger PC, Mamon HJ. Pilot study of serial FLT and FDG-PET/CT imaging to monitor response to neoadjuvant chemoradiotherapy of esophageal adenocarcinoma: correlation with histopathologic response. Ann Nucl Med 2018; 32:165-174. [PMID: 29332233 DOI: 10.1007/s12149-018-1229-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Accepted: 01/04/2018] [Indexed: 11/27/2022]
Abstract
OBJECTIVE The aim of this prospective pilot study was to investigate the potential of serial FLT-PET/CT compared to FDG-PET/CT to provide an early indication of esophageal cancer response to concurrent neoadjuvant chemoradiation therapy. METHODS Five patients with biopsy-proven esophageal adenocarcinomas underwent neoadjuvant chemoradiation (Tx) prior to minimally invasive esophagectomy. The presence of residual tumor was classified histologically using the Mandard et al. criteria, categorizing patients as pathologic responders and non-responders. Participants underwent PET/CT imaging 1 h after intravenous administration of FDG and of FLT on two separate days within 48 h of each other. Each patient underwent a total of 3 scan "pairs": (1) pre-treatment, (2) during treatment, and (3) post-treatment. Image-based response to therapy was measured in terms of changes in SUVmax (ΔSUV) between pre- and post-therapeutic FLT- and FDG-PET scans. The PET imaging findings were correlated with the pathology results after surgery. RESULTS All tumors were FDG and FLT avid at baseline. Lesion FLT uptake was lower than with FDG. Neoadjuvant chemoradiation resulted in a reduction of tumor uptake of both radiotracers in pathological responders (n = 3) and non-responders (n = 2). While the difference in the reduction in mean tumor FLT uptake during Tx between responders (ΔSUV = - 55%) and non-responders (ΔSUV = - 29%) was significant (P = 0.007), for FDG it was not, [responders had a mean ΔSUV = - 39 vs. - 31% for non-responders (P = 0.74)]. The difference in the reduction in tumor FLT uptake at the end of treatment between responders (ΔSUV = - 62%) and non-responders (ΔSUV = - 57%) was not significant (P = 0.54), while for FDG there was a trend toward significance [ΔSUV of responders = - 74 vs. - 52% in non-responders (P = 0.06)]. CONCLUSION The results of this prospective pilot study suggest that early changes in tumor FLT uptake may be better than FDG in predicting response of esophageal adenocarcinomas to neoadjuvant chemoradiation. These preliminary results support the need to corroborate the value of FLT-PET/CT in a larger cohort.
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Affiliation(s)
- Victor H Gerbaudo
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, Massachusetts, USA.
| | - Joseph H Killoran
- Department of Radiation Oncology, Brigham and Women's Hospital, Harvard Medical School, Boston, USA
| | - Chun K Kim
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, Massachusetts, USA
| | - Jason L Hornick
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, USA
| | - Jonathan A Nowak
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, USA
| | - Peter C Enzinger
- Center for Esophageal and Gastric Cancer, Dana Farber Cancer Institute, Harvard Medical School, Boston, USA
| | - Harvey J Mamon
- Department of Radiation Oncology, Brigham and Women's Hospital, Harvard Medical School, Boston, USA
- Center for Esophageal and Gastric Cancer, Dana Farber Cancer Institute, Harvard Medical School, Boston, USA
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11
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Murphy DJ, Gill RR. Volumetric assessment in malignant pleural mesothelioma. ANNALS OF TRANSLATIONAL MEDICINE 2017; 5:241. [PMID: 28706909 DOI: 10.21037/atm.2017.05.23] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Malignant pleural mesothelioma (MPM) is a highly malignant pleural neoplasm with a dismal prognosis. Multimodality approach including surgery and chemotherapy are utilized to treat patients with resectable disease. Clinical staging allows for selection of patients for treatment strategies, but has not been found to be prognostic and is plagued by high interobserver variability. Tumor volume measurement on cross-sectional imaging has emerged as a potential quantitative tool with prognostic significance. This review focuses on volumetric assessment from cross-sectional imaging (CT, MRI, 18F-FDG PET/CT) and the potential prognostic benefit and applications.
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Affiliation(s)
- David J Murphy
- Division of Thoracic Imaging, Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Ritu R Gill
- Division of Thoracic Imaging, Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
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12
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Hatt M, Lee JA, Schmidtlein CR, Naqa IE, Caldwell C, De Bernardi E, Lu W, Das S, Geets X, Gregoire V, Jeraj R, MacManus MP, Mawlawi OR, Nestle U, Pugachev AB, Schöder H, Shepherd T, Spezi E, Visvikis D, Zaidi H, Kirov AS. Classification and evaluation strategies of auto-segmentation approaches for PET: Report of AAPM task group No. 211. Med Phys 2017; 44:e1-e42. [PMID: 28120467 DOI: 10.1002/mp.12124] [Citation(s) in RCA: 134] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 12/09/2016] [Accepted: 01/04/2017] [Indexed: 12/14/2022] Open
Abstract
PURPOSE The purpose of this educational report is to provide an overview of the present state-of-the-art PET auto-segmentation (PET-AS) algorithms and their respective validation, with an emphasis on providing the user with help in understanding the challenges and pitfalls associated with selecting and implementing a PET-AS algorithm for a particular application. APPROACH A brief description of the different types of PET-AS algorithms is provided using a classification based on method complexity and type. The advantages and the limitations of the current PET-AS algorithms are highlighted based on current publications and existing comparison studies. A review of the available image datasets and contour evaluation metrics in terms of their applicability for establishing a standardized evaluation of PET-AS algorithms is provided. The performance requirements for the algorithms and their dependence on the application, the radiotracer used and the evaluation criteria are described and discussed. Finally, a procedure for algorithm acceptance and implementation, as well as the complementary role of manual and auto-segmentation are addressed. FINDINGS A large number of PET-AS algorithms have been developed within the last 20 years. Many of the proposed algorithms are based on either fixed or adaptively selected thresholds. More recently, numerous papers have proposed the use of more advanced image analysis paradigms to perform semi-automated delineation of the PET images. However, the level of algorithm validation is variable and for most published algorithms is either insufficient or inconsistent which prevents recommending a single algorithm. This is compounded by the fact that realistic image configurations with low signal-to-noise ratios (SNR) and heterogeneous tracer distributions have rarely been used. Large variations in the evaluation methods used in the literature point to the need for a standardized evaluation protocol. CONCLUSIONS Available comparison studies suggest that PET-AS algorithms relying on advanced image analysis paradigms provide generally more accurate segmentation than approaches based on PET activity thresholds, particularly for realistic configurations. However, this may not be the case for simple shape lesions in situations with a narrower range of parameters, where simpler methods may also perform well. Recent algorithms which employ some type of consensus or automatic selection between several PET-AS methods have potential to overcome the limitations of the individual methods when appropriately trained. In either case, accuracy evaluation is required for each different PET scanner and scanning and image reconstruction protocol. For the simpler, less robust approaches, adaptation to scanning conditions, tumor type, and tumor location by optimization of parameters is necessary. The results from the method evaluation stage can be used to estimate the contouring uncertainty. All PET-AS contours should be critically verified by a physician. A standard test, i.e., a benchmark dedicated to evaluating both existing and future PET-AS algorithms needs to be designed, to aid clinicians in evaluating and selecting PET-AS algorithms and to establish performance limits for their acceptance for clinical use. The initial steps toward designing and building such a standard are undertaken by the task group members.
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Affiliation(s)
- Mathieu Hatt
- INSERM, UMR 1101, LaTIM, University of Brest, IBSAM, Brest, France
| | - John A Lee
- Université catholique de Louvain (IREC/MIRO) & FNRS, Brussels, 1200, Belgium
| | | | | | - Curtis Caldwell
- Sunnybrook Health Sciences Center, Toronto, ON, M4N 3M5, Canada
| | | | - Wei Lu
- Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Shiva Das
- University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Xavier Geets
- Université catholique de Louvain (IREC/MIRO) & FNRS, Brussels, 1200, Belgium
| | - Vincent Gregoire
- Université catholique de Louvain (IREC/MIRO) & FNRS, Brussels, 1200, Belgium
| | - Robert Jeraj
- University of Wisconsin, Madison, WI, 53705, USA
| | | | | | - Ursula Nestle
- Universitätsklinikum Freiburg, Freiburg, 79106, Germany
| | - Andrei B Pugachev
- University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Heiko Schöder
- Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | | | - Emiliano Spezi
- School of Engineering, Cardiff University, Cardiff, Wales, United Kingdom
| | | | - Habib Zaidi
- Geneva University Hospital, Geneva, CH-1211, Switzerland
| | - Assen S Kirov
- Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
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13
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Malik V, Johnston C, O'Toole D, Lucey J, O'Farrell N, Claxton Z, Reynolds JV. Metabolic tumor volume provides complementary prognostic information to EUS staging in esophageal and junctional cancer. Dis Esophagus 2017; 30:1-8. [PMID: 27862622 DOI: 10.1111/dote.12505] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
To determine the correlation between 18F-fluorodeoxyglucose positron emission tomography-computed tomography (PET-CT) derived esophageal tumor parameters [maximum standardized uptake value (SUVmax), metabolic tumor volume (MTV)] and endoscopic ultrasound (EUS) derived tumor parameters (T stage, N stage) and their prognostic implications. 150 consecutive patients with cancer of the esophagus or esophagogastric junction underwent staging PET-CT and staging EUS. PET-CT derived SUVmax and MTV of the primary tumor was recorded. EUS evaluated T and N stage. Relationships between parameters were investigated using the Mann-Whitney U tests, survival analysis performed using Kaplan-Meier and independent prognostic factors determined using Cox regression multivariate analysis. A significant difference in MTV was noted between EUS T1/T2 tumors (median 6.7 cm3) and EUS T3/T4 tumors (median 35.7 cm3; P < 0.0001). An MTV of <23.4 cm3 (P = 0.0001), SUVmax < 4.1 (P = 0014), EUS T stage (P < 0.0001), EUS N stage (P < 0.0001), and clinical stage (P < 0.0001) were all significantly associated with survival, with MTV <23.4 cm3 (P = 0.004), EUS T stage (P = 0.01), and EUS N stage (P = 0.01) significant in multivariate analysis. MTV, a volumetric parameter of PET-CT, has more prognostic importance than SUVmax and provides valuable prognostic information in esophageal and junctional cancer, along with EUS T and N stage. MTV provides complementary information to EUS and should be included in the staging of esophageal and junctional cancer.
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Affiliation(s)
- Vinod Malik
- Department of Clinical Surgery, St James's Hospital and Trinity College Dublin, Ireland
| | - Ciaran Johnston
- Department of Radiology, St James's Hospital and Trinity College Dublin, Ireland
| | - Dermot O'Toole
- Department of Clinical Medicine, St James's Hospital and Trinity College Dublin, Ireland
| | - Julie Lucey
- Department of Medical Physics and Clinical Engineering, St Vincent's University Hospital, Elm Park, Dublin, Ireland
| | - Naoimh O'Farrell
- Department of Clinical Surgery, St James's Hospital and Trinity College Dublin, Ireland
| | - Zieta Claxton
- Department of Clinical Surgery, St James's Hospital and Trinity College Dublin, Ireland
| | - John V Reynolds
- Department of Clinical Surgery, St James's Hospital and Trinity College Dublin, Ireland
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14
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Cong L, Wang S, Gao T, Hu L. The predictive value of 18F-FDG PET for pathological response of primary tumor in patients with esophageal cancer during or after neoadjuvant chemoradiotherapy: a meta-analysis. Jpn J Clin Oncol 2016; 46:1118-1126. [PMID: 27702836 DOI: 10.1093/jjco/hyw132] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 08/25/2016] [Accepted: 08/25/2016] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE We want to review the value of 18-fluoro-deoxy-glucose positron emission tomography for response prediction of primary tumor in patients with esophageal cancer during or after neoadjuvant chemoradiotherapy. METHODS Studies were searched in Pubmed, Embase and Cochrane Library with specific search strategy. The published articles were included according to the criteria established in advance. The included studies were divided into two groups according to the time of the repeat positron emission tomography: during (Group A) or after neoadjuvant chemoradiotherapy (Group B). The studies that performed the repeat positron emission tomography after neoadjuvant chemoradiotherapy were graded Quality Assessment of Diagnostic Accuracy Studies. The pooled sensitivity, specificity and diagnostic odds ratio were obtained for both groups on the basis of no-existing of threshold effect. RESULTS Fifteen studies were included in the present study. The threshold effect did not exist in both groups. The pooled sensitivity, specificity and diagnostic odds ratio were 85%, 59%, 6.82 with 95% confidence interval 76-91%, 48-69%, 2.25-20.72 in Group A. The equivalent values were 67%, 69%, 6.34 with 95% confidence interval 60-73%, 63-74%, 2.08-19.34 in Group B. The pooled sensitivity was 90% in four studies that enrolled patients with esophageal squamous cell carcinoma merely in Group B. CONCLUSIONS According to the present data, positron emission tomography should not be used routinely to guide treatment strategy in esophageal cancer patients. We speculated that positron emission tomography could be used as a tool to predict treatment response after neoadjuvant chemoradiotherapy in patients with esophageal squamous cell carcinoma.
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Affiliation(s)
- Lihong Cong
- Department of Radiation Oncology, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Shikun Wang
- Department of Emergency, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Teng Gao
- Department of Radiation Oncology, Qilu Hospital, Shandong University, Jinan, Shandong, China
| | - Likuan Hu
- Department of Radiation Oncology, Qilu Hospital, Shandong University, Jinan, Shandong, China
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15
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Griffin Y. Esophageal Cancer: Role of Imaging in Primary Staging and Response Assessment Post Neoadjuvant Therapy. Semin Ultrasound CT MR 2016; 37:339-51. [PMID: 27342898 DOI: 10.1053/j.sult.2016.02.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Advances in the early detection and treatment of esophageal cancer have meant improved survival rates for patients with esophageal cancer. Accurate pretreatment and post-neoadjuvant treatment staging of esophageal cancer is essential for assessing operability and determining the optimum treatment plan. This article reviews the multimodality imaging approach in the diagnosis, staging, and assessment of treatment response in esophageal cancer.
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Affiliation(s)
- Yvette Griffin
- Department of Radiology, Leicester Royal Infirmary, Leicester, UK.
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16
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Miyata H, Yamasaki M, Makino T, Tatsumi M, Miyazaki Y, Takahashi T, Kurokawa Y, Takiguchi S, Mori M, Doki Y. Impact of number of [(18)F]fluorodeoxyglucose-PET-positive lymph nodes on survival of patients receiving neoadjuvant chemotherapy and surgery for oesophageal cancer. Br J Surg 2015; 103:97-104. [PMID: 26506079 DOI: 10.1002/bjs.9965] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 04/24/2015] [Accepted: 09/04/2015] [Indexed: 12/22/2022]
Abstract
BACKGROUND [(18) F]fluorodeoxyglucose (FDG)-PET has been used to evaluate the response of primary tumours to neoadjuvant therapy for oesophageal cancer. The clinical significance of the number of PET-positive nodes before and after therapy has not been investigated previously. METHODS [(18) F]FDG-PET was performed before and 2-3 weeks after completion of neoadjuvant chemotherapy to identify the number of PET-positive nodes, and these numbers were assessed in relation to metabolic changes in the primary tumour. RESULTS Of 302 patients in total, 90 had no PET-positive nodes, 83 had one, 59 had two and 70 patients had three or more positive nodes before therapy. After treatment, the numbers were: none in 207 patients, one in 59, two in 20 and three or more in 16 patients. The number of PET-positive nodes after treatment was influenced by both the number of PET-positive nodes before therapy and the response to preoperative therapy, and correlated with the number of metastatic lymph nodes. Overall survival was longer in patients who had no PET-positive nodes after treatment than in those who had one or more. Multivariable analysis identified the numbers of PET-positive nodes before and after chemotherapy as independent prognostic factors, together with clinical response, tumour depth and lymph node involvement. CONCLUSION The number of PET-positive nodes after treatment correlated with survival in patients with oesophageal cancer who underwent neoadjuvant chemotherapy.
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Affiliation(s)
- H Miyata
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan.,Department of Surgery, Osaka Medical Centre for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - M Yamasaki
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - T Makino
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - M Tatsumi
- Departments of Nuclear Medicine and Tracer Kinetics, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Y Miyazaki
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - T Takahashi
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Y Kurokawa
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - S Takiguchi
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - M Mori
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Y Doki
- Departments of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
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17
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Lin J, Kligerman S, Goel R, Sajedi P, Suntharalingam M, Chuong MD. State-of-the-art molecular imaging in esophageal cancer management: implications for diagnosis, prognosis, and treatment. J Gastrointest Oncol 2015; 6:3-19. [PMID: 25642333 DOI: 10.3978/j.issn.2078-6891.2014.062] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Accepted: 07/02/2014] [Indexed: 11/14/2022] Open
Abstract
Molecular imaging techniques are increasingly being used in addition to standard imaging methods such as endoscopic ultrasound (EUS) and computed tomography (CT) for many cancers including those of the esophagus. In this review, we will discuss the utility of the most widely used molecular imaging technique, (18)F-fluorodeoxyglucose ((18)F-FDG) positron emission tomography (PET). (18)F-FDG PET has a variety of potential applications ranging from improving staging accuracy at the time of initial diagnosis to assisting in radiation target volume delineation. Furthermore, (18)F-FDG PET can be used to evaluate treatment response after completion of neoadjuvant therapy or potentially during neoadjuvant therapy. Finally, we will also discuss other novel molecular imaging techniques that have potential to further improve cancer care.
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Affiliation(s)
- Jolinta Lin
- 1 Department of Radiation Oncology, 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Medical Systems, Baltimore, USA ; 3 Department of Diagnostic Imaging, Baltimore Veterans Affairs Medical Center, Baltimore, USA
| | - Seth Kligerman
- 1 Department of Radiation Oncology, 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Medical Systems, Baltimore, USA ; 3 Department of Diagnostic Imaging, Baltimore Veterans Affairs Medical Center, Baltimore, USA
| | - Rakhi Goel
- 1 Department of Radiation Oncology, 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Medical Systems, Baltimore, USA ; 3 Department of Diagnostic Imaging, Baltimore Veterans Affairs Medical Center, Baltimore, USA
| | - Payam Sajedi
- 1 Department of Radiation Oncology, 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Medical Systems, Baltimore, USA ; 3 Department of Diagnostic Imaging, Baltimore Veterans Affairs Medical Center, Baltimore, USA
| | - Mohan Suntharalingam
- 1 Department of Radiation Oncology, 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Medical Systems, Baltimore, USA ; 3 Department of Diagnostic Imaging, Baltimore Veterans Affairs Medical Center, Baltimore, USA
| | - Michael D Chuong
- 1 Department of Radiation Oncology, 2 Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Medical Systems, Baltimore, USA ; 3 Department of Diagnostic Imaging, Baltimore Veterans Affairs Medical Center, Baltimore, USA
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18
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Prediction of survival and cancer recurrence using metabolic volumetric parameters measured by 18F-FDG PET/CT in patients with surgically resected rectal cancer. Clin Nucl Med 2014; 39:493-7. [PMID: 24806602 DOI: 10.1097/rlu.0000000000000438] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVE The goal of the present study was to determine whether the volumetric parameters such as metabolic tumor volume (MTV) and total lesion glycolysis (TLG) measured by F-FDG PET/CT could be used as prognostic factors for the recurrence-free survival (RFS) and overall survival (OS) in patients with surgically resected rectal cancer. PATIENTS AND METHODS A retrospective review identified 73 patients with surgically resected rectal cancer who received F-FDG PET/CT. Survival analysis was conducted using Kaplan-Meier analysis, and survival curves stratified by age, sex, lymph node status, surgical resection margin, American Joint Committee on Cancer (AJCC) stage, and volumetric parameters of F-FDG PET/CT were generated for the estimation of OS and RFS. Independent predictive factors for survival were determined using Cox proportional hazards model. RESULTS High MTV, high TLG, advanced AJCC stage, lymph node (+), and surgical margin (+) group showed shorter OS in rectal cancer patients. Cox proportional hazards regression analysis showed that only surgical margin (+) was associated with poor OS. The early AJCC stage, lower MTV, and lower TLG were associated with better RFS in the current study. Cox proportional hazards regression analysis reveals that the surgical margin (+) was the potent predictor of OS. However, none of the factors was associated with RFS. CONCLUSIONS In conclusion, the results of this study suggest that volumetric parameters of F-FDG PET/CT could be significant prognostic factors in surgically resected rectal cancer.
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19
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Elliott JA, O'Farrell NJ, King S, Halpenny D, Malik V, Muldoon C, Johnston C, Reynolds JV. Value of CT–PET after neoadjuvant chemoradiation in the prediction of histological tumour regression, nodal status and survival in oesophageal adenocarcinoma. Br J Surg 2014; 101:1702-11. [DOI: 10.1002/bjs.9670] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 08/01/2014] [Accepted: 09/10/2014] [Indexed: 12/22/2022]
Abstract
Abstract
Background
The role of CT–PET after neoadjuvant chemoradiation (nCRT) for prediction of pathological response and oncological outcome in oesophageal and junctional adenocarcinoma (OAC) is unclear. The relationship between complete metabolic response (cMR), pathological complete response (pCR) and nodal status has not been clarified.
Methods
Patients with locally advanced OAC selected to receive nCRT and surgery with curative intent, on the basis of staging that included CT–PET positivity, were included. Repeat scanning (PET2) with an identical protocol was performed 2–4 weeks after completion of nCRT (cisplatin and 5-fluorouracil plus 44 Gy radiation). Changes in [18F]fluorodeoxyglucose uptake, considered as either a maximum standardized uptake value (SUVmax) or a relative reduction (%ΔSUVmax), and PET-predicted nodal status following nCRT were compared with histopathological response, histological node positivity and survival.
Results
One hundred consecutive patients with PET-positive OAC were studied. Following nCRT, PET2 identified M1 disease in 2·0 per cent of patients. There were no significant associations between PET2 SUVmax or %ΔSUVmax with respect to primary tumour stage (ypT) (P = 0.216 and P = 0·975 respectively), tumour regression grade (P = 0·109 and P = 0·232), pCR (P = 0·633 and P = 0·870) or complete resection (R0) (P = 0·440 and P = 0·235). The sensitivity of PET2 for ypN was 10 per cent. %ΔSUVmax was not associated with disease-free or overall survival (P = 0·162 and P = 0·154 respectively). Of 46 patients with a cMR on PET2, 37 (80 per cent) had histological evidence of residual tumour in the resected specimen, and cMR was not associated with overall survival benefit (P = 0·478).
Conclusion
CT–PET following nCRT for OAC has poor prognostic and discriminatory value for clinical application.
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Affiliation(s)
- J A Elliott
- Department of Surgery, Trinity Centre for Health Sciences, Trinity College Dublin and St James's Hospital, Dublin, Ireland
| | - N J O'Farrell
- Department of Surgery, Trinity Centre for Health Sciences, Trinity College Dublin and St James's Hospital, Dublin, Ireland
| | - S King
- Department of Surgery, Trinity Centre for Health Sciences, Trinity College Dublin and St James's Hospital, Dublin, Ireland
| | - D Halpenny
- Department of Surgery, Trinity Centre for Health Sciences, Trinity College Dublin and St James's Hospital, Dublin, Ireland
| | - V Malik
- Department of Surgery, Trinity Centre for Health Sciences, Trinity College Dublin and St James's Hospital, Dublin, Ireland
| | - C Muldoon
- Department of Pathology, St James's Hospital, Dublin, Ireland
| | - C Johnston
- Department of Radiology, St James's Hospital, Dublin, Ireland
| | - J V Reynolds
- Department of Surgery, Trinity Centre for Health Sciences, Trinity College Dublin and St James's Hospital, Dublin, Ireland
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20
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Detecting Interval Metastases and Response Assessment Using 18F-FDG PET/CT After Neoadjuvant Chemoradiotherapy for Esophageal Cancer. Clin Nucl Med 2014; 39:862-7. [DOI: 10.1097/rlu.0000000000000517] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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21
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Wilson JM, Partridge M, Hawkins M. The application of functional imaging techniques to personalise chemoradiotherapy in upper gastrointestinal malignancies. Clin Oncol (R Coll Radiol) 2014; 26:581-96. [PMID: 24998430 PMCID: PMC4150923 DOI: 10.1016/j.clon.2014.06.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 05/22/2014] [Accepted: 06/12/2014] [Indexed: 12/21/2022]
Abstract
Functional imaging gives information about physiological heterogeneity in tumours. The utility of functional imaging tests in providing predictive and prognostic information after chemoradiotherapy for both oesophageal cancer and pancreatic cancer will be reviewed. The benefit of incorporating functional imaging into radiotherapy planning is also evaluated. In cancers of the upper gastrointestinal tract, the vast majority of functional imaging studies have used (18)F-fluorodeoxyglucose positron emission tomography (FDG-PET). Few studies in locally advanced pancreatic cancer have investigated the utility of functional imaging in risk-stratifying patients or aiding target volume definition. Certain themes from the oesophageal data emerge, including the need for a multiparametric assessment of functional images and the added value of response assessment rather than relying on single time point measures. The sensitivity and specificity of FDG-PET to predict treatment response and survival are not currently high enough to inform treatment decisions. This suggests that a multimodal, multiparametric approach may be required. FDG-PET improves target volume definition in oesophageal cancer by improving the accuracy of tumour length definition and by improving the nodal staging of patients. The ideal functional imaging test would accurately identify patients who are unlikely to achieve a pathological complete response after chemoradiotherapy and would aid the delineation of a biological target volume that could be used for treatment intensification. The current limitations of published studies prevent integrating imaging-derived parameters into decision making on an individual patient basis. These limitations should inform future trial design in oesophageal and pancreatic cancers.
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Affiliation(s)
- J M Wilson
- CRUK/MRC Oxford Institute for Radiation Oncology, Gray Laboratories, University of Oxford, Old Road Campus Research Building, Oxford, UK.
| | - M Partridge
- CRUK/MRC Oxford Institute for Radiation Oncology, Gray Laboratories, University of Oxford, Old Road Campus Research Building, Oxford, UK
| | - M Hawkins
- CRUK/MRC Oxford Institute for Radiation Oncology, Gray Laboratories, University of Oxford, Old Road Campus Research Building, Oxford, UK
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Zhang J, Jiang D, Li X, Lv J, Xie L, Zheng L, Gavine PR, Hu Q, Shi Y, Tan L, Ge D, Xu S, Li L, Zhu L, Hou Y, Wang Q. Establishment and characterization of esophageal squamous cell carcinoma patient-derived xenograft mouse models for preclinical drug discovery. J Transl Med 2014; 94:917-26. [PMID: 24999713 DOI: 10.1038/labinvest.2014.77] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Revised: 03/27/2014] [Accepted: 04/08/2014] [Indexed: 12/22/2022] Open
Abstract
The purpose of this study was to establish and characterize patient-derived esophageal squamous cell carcinoma xenograft (PDECX) mice for utilization in antitumor drug discovery. A total of 96 esophageal squamous cell carcinoma (ESCC) tissues from Chinese patients were transplanted subcutaneously into immunodeficient mice. Histology, EGFR, K-ras, B-raf, and PIK3CA mutations, and HER2 gene amplifications were analyzed in both patient tumors and mouse xenograft tissues using immunohistochemistry, mutant-enriched liquid chip sequencing and fluorescence in situ hybridization assays, respectively. Furthermore, in vivo efficacy studies using five PDECX mice harboring a variety of genetic aberrations were performed using the chemotherapy agents 5-fluorouracil (5-FU) and cisplatin. Thirty-seven PDECX mouse models were successfully established in immunodeficient mice. Pathological analysis revealed similar histological architecture and degrees of differentiation between patient ESCC and xenografted tumors. No mutations were identified in EGFR, K-ras, and B-raf genes in either xenograft models or patient ESCC tissues. In contrast, PIK3CA gene mutations were detected in 12.5% (12/96) ESCC patients and 18.9% (7/37) PDECX models. Interestingly, patient ESCC tissues exhibiting HER2 overexpression or gene amplification were unable to survive in immunodeficient mice. Further analysis showed that PDECX models carrying HER2 2+ expression had no response to 5-FU/cisplatin, compared with HER2-negative models. In conclusion, a panel of PDECX mouse models, which include PIK3CA mutant and HER2-positive models, was established and characterized thus mimicking the current clinical genetic setting of esophageal carcinoma. The sensitivity of HER2-negative ESCC models to chemotherapy supports stratification approaches in the treatment of esophageal carcinoma patients and warrants further investigation of the impact of PI3KCA on treatment response.
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Affiliation(s)
- Jingchuan Zhang
- Innovation Center China, AstraZeneca Global R&D, Zhangjiang Hi-Tech Park, Shanghai, People's Republic of China
| | - Dongxian Jiang
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Xiaojing Li
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Jing Lv
- Innovation Center China, AstraZeneca Global R&D, Zhangjiang Hi-Tech Park, Shanghai, People's Republic of China
| | - Liang Xie
- Innovation Center China, AstraZeneca Global R&D, Zhangjiang Hi-Tech Park, Shanghai, People's Republic of China
| | - Li Zheng
- Innovation Center China, AstraZeneca Global R&D, Zhangjiang Hi-Tech Park, Shanghai, People's Republic of China
| | - Paul R Gavine
- Innovation Center China, AstraZeneca Global R&D, Zhangjiang Hi-Tech Park, Shanghai, People's Republic of China
| | - Qin Hu
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Yuan Shi
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Lijie Tan
- Department of Thorax Surgery, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Di Ge
- Department of Thorax Surgery, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Songtao Xu
- Department of Thorax Surgery, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Leon Li
- Innovation Center China, AstraZeneca Global R&D, Zhangjiang Hi-Tech Park, Shanghai, People's Republic of China
| | - Lifang Zhu
- Innovation Center China, AstraZeneca Global R&D, Zhangjiang Hi-Tech Park, Shanghai, People's Republic of China
| | - Yingyong Hou
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
| | - Qun Wang
- Department of Thorax Surgery, Zhongshan Hospital, Fudan University, Shanghai, People's Republic of China
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Lemarignier C, Di Fiore F, Marre C, Hapdey S, Modzelewski R, Gouel P, Michel P, Dubray B, Vera P. Pretreatment metabolic tumour volume is predictive of disease-free survival and overall survival in patients with oesophageal squamous cell carcinoma. Eur J Nucl Med Mol Imaging 2014; 41:2008-16. [DOI: 10.1007/s00259-014-2839-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 06/16/2014] [Indexed: 12/22/2022]
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Schollaert P, Crott R, Bertrand C, D'Hondt L, Borght TV, Krug B. A systematic review of the predictive value of (18)FDG-PET in esophageal and esophagogastric junction cancer after neoadjuvant chemoradiation on the survival outcome stratification. J Gastrointest Surg 2014; 18:894-905. [PMID: 24638928 DOI: 10.1007/s11605-014-2488-2] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Accepted: 02/19/2014] [Indexed: 01/31/2023]
Abstract
PURPOSE We studied the predictive value of [(18) F]fluorodeoxyglucose-positron emission tomography ((18)FDG-PET) for assessing disease-free (DFS) and overall survival (OS) in esophageal and esophagogastric junction cancer. MATERIALS AND METHODS A literature search (PUBMED/MEDLINE, EMBASE, Cochrane) was performed to identify full papers with (18)FDG-PET and survival data, using indexing terms and free text words. Studies with >10 patients with locally advanced esophageal cancer, presenting sequential or at least one post-adjuvant treatment (18)FDG-PET data and Kaplan-Meier survival curves with >6 months median follow-up period were included. We performed a meta-analysis for DFS and OS using the hazard ratio (HRs) as outcome measure. Sources of heterogeneity study were also explored. RESULTS We identified 26 eligible studies including a total of 1,544 patients (average age 62 years, 82% males). The TNM distribution was as follows: stage I 7%, II 24%, III 53% and IV 15%. The pooled HRs for complete metabolic response versus no response were 0.51 for OS (95% CI, 0.4-0.64; P < 0.00001) and 0.47 for DFS (95% CI, 0.38-0.57; P < 0.00001), respectively. No statistical heterogeneity was present. To explore sources of clinical heterogeneity, we also realised subgroup and regression analyses. Taken into account the moderate correlation between OS and DFS (ρ = 0.54), we used joint bivariate random regression model. These analyses did not show a statistically significant impact of study characteristics and PET modalities on the pooled outcome estimates. CONCLUSION Despite methodological and clinical heterogeneity, metabolic response on (18)FDG-PET is a significant predictor of long-term survival data.
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Affiliation(s)
- Pascaline Schollaert
- Nuclear Medicine Division, CHU UCL Mont-Godinne - Dinant, Université Catholique de Louvain, 1 Dr Therasse, 5530, Yvoir, Belgium
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Moon SH, Kim HS, Hyun SH, Choi YS, Zo JI, Shim YM, Lee KH, Kim BT, Choi JY. Prediction of occult lymph node metastasis by metabolic parameters in patients with clinically N0 esophageal squamous cell carcinoma. J Nucl Med 2014; 55:743-8. [PMID: 24700884 DOI: 10.2967/jnumed.113.130716] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
UNLABELLED The aim of this study was to investigate the value of (18)F-FDG parameters of the primary tumor in predicting occult lymph node metastasis in patients with clinically N0 esophageal squamous cell carcinoma. METHODS The study comprised 143 consecutive patients (mean age ± SD, 63.9 ± 8.6 y; range, 31.8-81.2 y) from May 2003 to January 2010 who had clinically N0 esophageal squamous cell carcinoma based on preoperative imaging studies including chest CT, (18)F-FDG PET/CT, and endoscopic ultrasound. We measured maximum standardized uptake value (SUV max), mean SUV (SUV mean), total lesion glycolysis (TLG), and metabolic tumor volume (MTV) of the primary tumor and analyzed the relationship between clinicopathologic variables including PET parameters and occult lymph node metastasis using a logistic regression model. RESULTS Univariate analysis indicated that clinical T classification, SUV max, SUV mean, MTV, TLG, and longitudinal diameter of tumor were significant risk factors associated with occult lymph node metastasis. Optimal thresholds were cT2-4, SUV max ≥ 4.8, SUV mean ≥ 3.2, MTV ≥ 5.5 cm(3), TLG ≥ 220, and diameter ≥ 3.8 cm. After multivariate analysis, the logistic regression model revealed that clinical T classification (hazard ratio [HR], 4.6; 95% confidence interval [CI], 1.7-12.4; P = 0.003) and SUV max (HR, 3.5; 95% CI, 1.3-9.2; P = 0.012) were independent risk factors. The combination of SUV max and clinical T classification (HR, 13.2; 95% CI, 5.4-31.9; P < 0.001) was a significantly better powerful risk factor for occult lymph node metastasis than SUV max or clinical T classification alone. Sensitivity, specificity, positive predictive value, and negative predictive value of the combination of clinical T classification and SUV max were 73.0%, 81.5%, 60.0%, and 89.7%, respectively. CONCLUSION SUV max, combined with clinical T classification, may be useful for predicting occult lymph node metastasis in patients with clinically N0 squamous cell carcinoma of the esophagus.
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Affiliation(s)
- Seung Hwan Moon
- Department of Nuclear Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea; and
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Pretreatment metabolic tumor volumes to predict the short-term outcome of unresectable locally advanced squamous cell carcinoma of the esophagus treated with definitive chemoradiotherapy. Nucl Med Commun 2014; 35:291-7. [DOI: 10.1097/mnm.0000000000000046] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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27
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18F-fluorodeoxyglucose PET/computed tomography and risk stratification after neoadjuvant treatment in esophageal cancer patients. Nucl Med Commun 2014; 35:160-8. [DOI: 10.1097/mnm.0000000000000035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Miyata H, Yamasaki M, Takahashi T, Murakami K, Tanaka K, Yukinori K, Nakajima K, Takiguchi S, Morii E, Hatazawa J, Mori M, Doki Y. Determinants of response to neoadjuvant chemotherapy for esophageal cancer using 18F-fluorodeoxiglucose positron emission tomography (18F-FDG-PET). Ann Surg Oncol 2013; 21:575-82. [PMID: 24201746 DOI: 10.1245/s10434-013-3343-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Indexed: 12/25/2022]
Abstract
BACKGROUND (18)F-FDG-PET is potentially useful for evaluating response to neoadjuvant therapy for esophageal cancer. However, the optimal (18)F-FDG-PET parameter for evaluating the response to therapy and survival has not been established. This study aimed to select the best of the two parameters of fluorodeoxyglucose ((18)F-FDG)-positron emission tomography (PET): decreased ratio of maximal standardized uptake (SUVmax-DR) or absolute value of posttreatment SUVmax (post-SUVmax), in predicting response and survival of patients with esophageal cancer who underwent neoadjuvant chemotherapy. METHODS The study subjects were 211 consecutive patients with esophageal cancer who received neoadjuvant chemotherapy followed by surgery. (18)F-FDG-PET was performed before and 2-3 weeks after completion of neoadjuvant chemotherapy in assessment with pretreatment SUVmax (pre-SUVmax), post-SUVmax and SUVmax-DR. RESULTS The mean SUVmax decreased during neoadjuvant chemotherapy from 11.4 to 5.8, and the mean SUVmax-DR was 49.4%. Both post-SUVmax and SUVmax-DR correlated significantly with pathological response, although neither post-SUVmax nor SUVmax-DR could distinguish pathological complete response from pathological good response. The 5-year survival rate was significantly higher in patients with SUVmax-DR of >50% than those with <50% (56.5 vs. 39.6 %, p = 0.0137), and also significantly higher in patients with post-SUVmax of <3.5 than those with >3.5 (62.2 vs. 35.1%, p < 0.0001). Multivariate analysis identified post-SUVmax value, but not SUVmax-DR, as an independent prognostic factor in patients who underwent neoadjuvant chemotherapy. CONCLUSIONS Post-SUVmax is more useful for predicting survival of patients with esophageal cancer who undergo neoadjuvant therapy followed by surgery, although both SUVmax-DR and post-SUVmax equally correlate with pathological response.
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Affiliation(s)
- Hiroshi Miyata
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan,
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Miyata H, Yamasaki M, Takahashi T, Murakami K, Kurokawa Y, Nakajima K, Takiguchi S, Mori M, Doki Y. Relevance of [18F]fluorodeoxyglucose positron emission tomography-positive lymph nodes after neoadjuvant chemotherapy for squamous cell oesophageal cancer. Br J Surg 2013; 100:1490-7. [DOI: 10.1002/bjs.9253] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/03/2013] [Indexed: 12/22/2022]
Abstract
Abstract
Background
Several studies have examined the clinical significance of metabolic response in primary tumours by [18F]fluorodeoxyglucose positron emission tomography (18F-FDG-PET) in patients with oesophageal cancer who undergo neoadjuvant therapy. The relevance of the metabolic response in lymph nodes is unclear.
Methods
Consecutive patients with oesophageal cancer who underwent neoadjuvant chemotherapy followed by surgery were studied. 18F-FDG-PET was performed before and 2–3 weeks after completion of neoadjuvant chemotherapy, assessing FDG uptake in primary tumours and lymph nodes considered to be metastatic.
Results
Before therapy, 156 (73·9 per cent) of 211 patients had PET-positive nodes, of whom 89 (57.1 per cent) had no evidence of metabolic activity in these lymph nodes following chemotherapy. There was a significant relationship between post-treatment lymph node status assessed by FDG-PET and numbers of pathologically confirmed metastatic lymph nodes. Patients with post-treatment PET-positive nodes had shorter survival than those without (5-year survival rate 25 versus 62·6 per cent; P < 0·001). There was no difference in survival between patients with PET-positive nodes before but not after therapy and patients who had PET-negative nodes throughout (5-year survival rate 59 versus 71 per cent respectively; P = 0·207). Multivariable analysis identified post-treatment nodal status assessed by FDG-PET and tumour depth as independent prognostic factors.
Conclusion
Identification of PET-positive lymph nodes after completion of chemotherapy is a predictor of poor prognosis of patients with oesophageal cancer scheduled for surgery. FDG-PET lymph node status after neoadjuvant chemotherapy is more important than that before chemotherapy.
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Affiliation(s)
- H Miyata
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - M Yamasaki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - T Takahashi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - K Murakami
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Y Kurokawa
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - K Nakajima
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - S Takiguchi
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - M Mori
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Y Doki
- Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
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The influence of histopathologic tumor viability on long-term survival and recurrence rates following neoadjuvant therapy for esophageal adenocarcinoma. Ann Surg 2013; 258:500-7. [PMID: 24022442 DOI: 10.1097/sla.0b013e3182a196f4] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Our aim was to validate the effect of histopathologic tumor viability (HTV) on extended survival outcomes and assess the prognostic ability of the current staging system in patients receiving preoperative chemoradiotherapy (CRT). BACKGROUND The American Joint Committee on Cancer, 7th Edition, esophageal carcinoma staging system is derived from patients treated with surgery alone and does not account for the treatment effect of CRT. The extent of HTV after CRT is based on response to neoadjuvant therapy and has been shown to correlate with patient outcome. METHODS Medical records of 1278 patients who underwent esophagectomy (1990-2011) were reviewed; 784 patients underwent preoperative CRT. Histologic tumor viability was assessed in 602 patients and classified as 0% to 10%, 11% to 50%, and more than 50%. Survival was estimated using the Kaplan-Meier method at potential median follow-up of 67 months. Univariate and multivariate analyses identified variables associated with survival. RESULTS Multivariate analysis identified HTV of greater than 50% (P < 0.001, HR 2.5), positive pathologic nodal status (P < 0.001, HR 1.6), and positive clinical nodal status (P = 0.002, HR 1.5) but not pathologic T status (P = 0.816, HR 1.2) to be independently associated with survival. Actuarial 5- and 10-year survival was 52% and 43% (HTV of 0%-10%), 45% and 33% (HTV of 11%-50%), and 16% for both (HTV of >50%). The best 5-year survival 56% was achieved in N0 patients with HTV of 0% to 10% (P = 0.056, HR 1.0), contrary to 6% observed in node-positive patients with HTV of greater than 50% (P < 0.001, HR 3.1). Patients with HTV of greater than 50% demonstrated distant recurrence more frequently than those with HTV of less than 50% (51% vs 33%, P = 0.010, OR: 2.2) CONCLUSIONS:: After preoperative chemoradiation, long-term outcomes of esophageal carcinoma are best predicted utilizing histologic tumor viability; HTV may be a practical early endpoint predicting efficacy of therapy.
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Stiles BM, Salzler G, Jorgensen A, Nasar A, Paul S, Lee PC, Port JL, Altorki NK. Complete metabolic response is not uniformly predictive of complete pathologic response after induction therapy for esophageal cancer. Ann Thorac Surg 2013; 96:1820-5. [PMID: 23895888 DOI: 10.1016/j.athoracsur.2013.05.027] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Revised: 04/30/2013] [Accepted: 05/14/2013] [Indexed: 12/26/2022]
Abstract
BACKGROUND Positron emission tomography scanning is used to assess response to induction therapy after treatment of esophageal cancer. A decrease in standardized uptake value has been correlated with response to therapy, with a standardized uptake value of zero often assumed to indicate complete absence of disease. We hypothesize that a significant number of patients may have residual esophageal cancer despite complete metabolic response (CMR). METHODS A prospective database was reviewed for esophageal cancer patients receiving induction therapy followed by esophagectomy on whom both preinduction and postinduction positron emission tomography scans were obtained. Patients with a postinduction SUV of 0 (or "no uptake") were categorized as complete metabolic responders. Survival was calculated by the Kaplan-Meier statistic. RESULTS Among 120 patients, 32 (27%) had postinduction CMR after chemotherapy (21 of 81, 26%) or chemoradiation (11 of 39, 28%). At surgery, 19 patients (59%) with CMR had residual disease, including 12 (38%) with nodal metastases. Even among patients with a negative postinduction biopsy, 4 of 10 (40%) had residual disease. Final pathologic stages of patients with CMR were yp0 (complete pathologic response) in 13 (41%), ypI in 4 (12%), ypII in 9 (28%), and ypIII in 6 (19%). Three-year survival was 83% in the CMR group versus 41% in the remainder of the cohort (p = 0.02). CONCLUSIONS A CMR on postinduction positron emission tomography scan predicts but should not be assumed to be synonymous with complete pathologic response in esophageal cancer patients. The presence of residual disease should be strongly considered despite CMR and negative biopsy in patients receiving induction therapy.
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Affiliation(s)
- Brendon M Stiles
- Division of Thoracic Surgery, New York Presbyterian Hospital, Weill Cornell Medical College, New York, New York.
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PET/CT-based metabolic tumour volume for response prediction of neoadjuvant chemoradiotherapy in oesophageal carcinoma. Eur J Nucl Med Mol Imaging 2013; 40:1500-6. [DOI: 10.1007/s00259-013-2468-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Accepted: 05/17/2013] [Indexed: 12/29/2022]
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Liu J, Yue J, Xing L, Yu J. Present status and progress of neoadjuvant chemoradiotherapy for esophageal cancer. Front Med 2013; 7:172-9. [PMID: 23681891 DOI: 10.1007/s11684-013-0268-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Accepted: 03/26/2013] [Indexed: 12/16/2022]
Abstract
Trimodality based on neoadjuvant chemoradiotherapy (nCRT) followed by surgery is gaining popularity as a treatment strategy for locally advanced esophageal cancer. In this review, we summarize the role of nCRT and the recommended nCRT regimens based on clinical trials and meta-analyses. We analyze the relationship of nCRT with pathologic complete response (pCR) and then identify potential predictive markers of response. Compared with surgery alone and neoadjuvant chemotherapy followed by surgery, trimodality provides longer survival and has the advantage of local control compared with definitive chemoradiotherapy. The standard regimen is a platinum-based regimen with a radiation dose range of 41.4-50.4 Gy by conventional fractionation. Evidence shows that patients with pCR tend to live longer than non-responders, indicating that pCR is a significant prognostic factor for patients with esophageal cancer. Individualized medicine requires predictive markers of individual patients based on their own genes. Currently, no definite marker is proved to be sufficiently sensitive and specific for use in clinical practice, although 18-fluorodeoxyglucose positron emission tomography shows promise in predicting response to nCRT.
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Affiliation(s)
- Jing Liu
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Jinan, China
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Park JS, Choi JY, Moon SH, Ahn YC, Lee J, Kim D, Kim K, Shim YM. Response evaluation after neoadjuvant chemoradiation by positron emission tomography-computed tomography for esophageal squamous cell carcinoma. Cancer Res Treat 2013; 45:22-30. [PMID: 23613667 PMCID: PMC3629360 DOI: 10.4143/crt.2013.45.1.22] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Accepted: 01/06/2013] [Indexed: 12/22/2022] Open
Abstract
Purpose Parameters of positron emission tomography-computed tomography (PET-CT) were compared with the results of histopathologic examination in order to determine which can provide an objective indication of response after neoadjuvant chemoradiation for treatment of thoracic esophageal squamous cell carcinoma (SCC). Materials and Methods Between August 2003 and January 2010, data on 25 patients who underwent neoadjuvant chemoradiation and subsequent resection for treatment of esophageal SCC were retrospectively reviewed. Changes in maximum standardized uptake value (ΔSUVmax), metabolic tumor volume (ΔMTV), and total lesion glycolysis (ΔTLG) were analyzed by comparison with the histopathologic findings. Results Pathologic complete remission (CR) for the main tumor was achieved in 11 patients. Postradiation esophagitis was observed in 10 patients. ΔSUVmax of the main tumor was significantly greater in the CR group than in the partial response (PR) group (p=0.039), while ΔMTV and ΔTLG of the main tumor were not (p=0.141 and p=0.349, respectively). The cut-off ΔSUVmax value for CR was estimated as 72.1%, indicating significantly better accuracy than visual interpretation (p=0.045). Of the 48 involved lymph nodes, ΔSUVmax and ΔMTV of lymph nodes were significantly greater in the CR group than in the PR group (p=0.045 and p=0.014, respectively), while ΔTLG was not (p=0.063). The cut-off value of ΔSUVmax for prediction of CR in lymph nodes was calculated as 50.67%. Conclusion PET-CT could be used for prediction of response to neoadjuvant treatment in thoracic esophageal SCC. ΔSUVmax may be a more significant predictor for CR after neoadjuvant chemoradiation than ΔTLG and ΔMTV.
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Affiliation(s)
- Joon Suk Park
- Department of Thoracic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Manabe O, Hattori N, Hirata K, Itoh K, Hosokawa M, Takahashi H, Oyama-Manabe N, Tamaki N. Diagnostic accuracy of lymph node metastasis depends on metabolic activity of the primary lesion in thoracic squamous esophageal cancer. J Nucl Med 2013; 54:670-6. [PMID: 23516310 DOI: 10.2967/jnumed.112.110304] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
UNLABELLED The metabolic activity of the primary tumor is an important variable in (18)F-FDG PET interpretation for presurgical staging, because this activity is likely to affect the possibility of detection of malignant involvement in lymph nodes (LNs). The purpose of this study was to reevaluate the diagnostic accuracy of (18)F-FDG PET/CT for the presurgical staging of esophageal squamous cell carcinoma (SCC) in correlation with the (18)F-FDG avidity of the primary lesions. METHODS One hundred fifty-six patients (mean age ± SD, 61.4 ± 8.0 y) underwent (18)F-FDG PET/CT before surgical esophagectomy and LN dissection. LN metastasis was identified using the fusion of PET and CT images with increased (18)F-FDG uptake greater than the background activity of the adjacent structures. The results of the patients' (18)F-FDG PET/CT examinations for LN involvement were compared with the histopathologic results to investigate the diagnostic accuracy of (18)F-FDG PET/CT for tumor staging. In addition, we examined the correlation between the diagnostic accuracy of (18)F-FDG PET/CT for LN involvement and the (18)F-FDG avidity of the primary lesions, to investigate the effect of tumor aggressiveness on the diagnosis of LN metastasis. RESULTS The diagnostic accuracy of (18)F-FDG PET/CT for LN metastasis showed a low sensitivity, ranging from 29.3% to 53.3%, whereas the specificity was higher than 89.8% in regional thoracic nodes and in remote areas of the cervical and abdominal regions. The (18)F-FDG uptake of the primary lesions positively correlated with that of the metastatic LNs in the thoracic field (R = 0.52, P < 0.05). As a result, our receiver-operating-characteristic analyses demonstrated an area under the curve value of 0.73, with the optimal cutoff value at a maximum standardized uptake value of 3.3 in patients with mid to high (18)F-FDG avidity in the primary lesions (maximum standardized uptake value ≥ 5). CONCLUSION This study showed that the avidity of the primary esophageal SCCs affected the detectability of lymph nodal metastases. If primary lesions of esophageal SCC present with a low (18)F-FDG uptake, PET/CT may have a limited role for initial staging because of low sensitivity to detect lymph node metastases.
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Affiliation(s)
- Osamu Manabe
- Department of Nuclear Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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Van de Wiele C, Kruse V, Smeets P, Sathekge M, Maes A. Predictive and prognostic value of metabolic tumour volume and total lesion glycolysis in solid tumours. Eur J Nucl Med Mol Imaging 2012; 40:290-301. [PMID: 23151913 DOI: 10.1007/s00259-012-2280-z] [Citation(s) in RCA: 127] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2012] [Accepted: 10/10/2012] [Indexed: 12/13/2022]
Abstract
Data available in patients suffering from squamous cell carcinoma of the head and neck, lung carcinoma, oesophageal carcinoma and gynaecological malignancies suggest that metabolic tumour volume and to a lesser extent total lesion glycolysis have the potential to become valuable in the imaging of human solid tumours as prognostic biomarkers for short- to intermediate-term survival outcomes, adding value to clinical staging, for assessment of response to treatment with neoadjuvant and concurrent chemotherapy, and for treatment optimization; for example, based on early treatment response assessment using changes in metabolic tumour volume over time, it might be possible to select patients who require a more aggressive treatment to improve their outcome. Prospective studies enrolling consecutive patients, adopting standardized protocols for FDG PET acquisition and processing, adjusting for potential confounders in the analysis (tumour size and origin) and determining the optimal methodology for determination of these novel markers are mandatory.
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Affiliation(s)
- Christophe Van de Wiele
- Department of Nuclear Medicine, P7, University Hospital Ghent, De Pintelaan 185-B, 9000 Ghent, Belgium.
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Miranda DMD, Mamede M, Souza BRD, Almeida Barros AGD, Magno LA, Alvim-Soares A, Rosa DV, Castro CJD, Malloy-Diniz L, Gomez MV, Marco LAD, Correa H, Romano-Silva MA. Molecular medicine: a path towards a personalized medicine. BRAZILIAN JOURNAL OF PSYCHIATRY 2012; 34:82-91. [PMID: 22392394 DOI: 10.1016/s1516-4446(12)70015-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2011] [Accepted: 08/21/2011] [Indexed: 10/27/2022]
Abstract
Psychiatric disorders are among the most common human illnesses; still, the molecular and cellular mechanisms underlying their complex pathophysiology remain to be fully elucidated. Over the past 10 years, our group has been investigating the molecular abnormalities in major signaling pathways involved in psychiatric disorders. Recent evidences obtained by the Instituto Nacional de Ciência e Tecnologia de Medicina Molecular (National Institute of Science and Technology - Molecular Medicine, INCT-MM) and others using behavioral analysis of animal models provided valuable insights into the underlying molecular alterations responsible for many complex neuropsychiatric disorders, suggesting that "defects" in critical intracellular signaling pathways have an important role in regulating neurodevelopment, as well as in pathophysiology and treatment efficacy. Resources from the INCT have allowed us to start doing research in the field of molecular imaging. Molecular imaging is a research discipline that visualizes, characterizes, and quantifies the biologic processes taking place at cellular and molecular levels in humans and other living systems through the results of image within the reality of the physiological environment. In order to recognize targets, molecular imaging applies specific instruments (e.g., PET) that enable visualization and quantification in space and in real-time of signals from molecular imaging agents. The objective of molecular medicine is to individualize treatment and improve patient care. Thus, molecular imaging is an additional tool to achieve our ultimate goal.
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Affiliation(s)
- Debora Marques de Miranda
- Instituto Nacional de Ciência e Tecnologia de Medicina Molecular, Faculdade de Medicina, Universidade Federal de Minas Gerais, Brazil
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Chan DSY, Fielding P, Roberts SA, Reid TD, Ellis-Owen R, Lewis WG. Prognostic significance of 18-FDG PET/CT and EUS-defined tumour characteristics in patients with oesophageal cancer. Clin Radiol 2012; 68:352-7. [PMID: 22981727 DOI: 10.1016/j.crad.2012.08.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Revised: 08/01/2012] [Accepted: 08/06/2012] [Indexed: 12/25/2022]
Abstract
AIM To determine the correlation between 2-[(18)F]-fluoro-2-deoxy-d-glucose (FDG) positron-emission tomography/computed tomography (PET/CT) defined maximum standardized uptake value (SUVmax) and endoluminal ultrasound-defined tumour volume (EDTV) in patients with oesophageal cancer (OC) and their relative prognostic significance. MATERIALS AND METHODS One hundred and eighty-five consecutive patients with OC were staged using CT, endoscopic ultrasound (EUS), and PET/CT. The maximum potential EDTV was calculated (πr(2)L, where r = tumour thickness and L = total length of disease including proximal and distal lymph node metastases). Primary outcome measure was survival from diagnosis. RESULTS Ninety-one percent of patients (168/185) had FDG-avid tumours on PET/CT. SUVmax correlated positively and significantly with EDTV (Spearman's rho = 0.339, p = 0.001). On univariate analysis, survival was inversely related to the PET/CT lymph node metastasis count (LNMC, p = 0.015), EUS N stage (p = 0.002), EDTV (<48 cm(3), p = 0.001), EUS total length of disease (p = 0.001), SUVmax (p = 0.002), PET/CT N stage (p < 0.0001), and EUS LNMC (p < 0.0001). On multivariate analysis two factors were significantly and independently associated with survival: EDTV (HR, 3.118; 95% CI: 1.357-7.167; p = 0.007), and PET/CT N stage (HR, 0.496; 95% CI: 0.084-1.577; p = 0.022). CONCLUSION EDTV and PET/CT N stage were important predictors of survival and further research is needed to identify critical prognostic values.
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Affiliation(s)
- D S Y Chan
- Department of Surgery, University Hospital of Wales, Cardiff, UK.
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I H, Kim K, Kim SJ, Kim IJ, Pak K, Kim H. Prognostic value of metabolic volume measured by F-18 FDG PET-CT in patients with esophageal cancer. Thorac Cancer 2012; 3:255-261. [PMID: 28920313 DOI: 10.1111/j.1759-7714.2012.00120.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
PURPOSE The aim of this study was to evaluate the usefulness of the metabolic tumor volume (MTV) measured by F-18 Fluorodeoxyglucose positron emission tomography (FDG PET-CT) in predicting recurrence free survival (RFS) in patients with esophageal cancer. METHODS Forty-five patients with squamous cell carcinoma, who had undergone whole-body F-18 FDG PET-CT scans before surgical resection, were included in this study. All patients were treated with Ivor-Lewis esophagectomy. The MTV was quantified within the primary tumor using the 50% threshold of the maximum standardized uptake value (SUVmax ) of the FDG uptake areas. The cutoff value of MTV50 was determined through receiver-operating characteristic curve. The Kaplan Meier method was used to find out the relationship between RFS and MTV50 . Univariate analysis and multivariate proportional hazards regression analysis were applied to test the significance of volumetric parameter of F-18 FDG PET-CT and other conventional prognostic factors for the prediction of RFS. RESULTS Overall median follow up period was 17.87 months (range: 1.07-63.27 months). The median survival between treatment completion and recurrence was 15.5 months (range: 1.37-72.43 months). Recurrence was found in eight patients. On univariate analysis, MTV50 (P = 0.0032), N stage (P = 0.0004), American Joint Committee on Cancer stage (P = 0.0101), tumor location (P = 0.0054) and adjuvant treatment (P = 0.0373) were significant predictors of RFS. Multivariate analysis showed that the independent prognostic factors were MTV50 (P = 0.0465), N stage (P = 0.0303) and tumor location (P = 0.0270). CONCLUSION Volume based parameter of F-18 FDG PET-CT may have a role in providing prognostic information in esophageal cancer patients who received esophagectomy.
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Affiliation(s)
- Hoseok I
- Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Busan, Republic of KoreaBiomedical Research Institute, Pusan National University Hospital, Busan, Republic of KoreaDepartment of Nuclear Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Keunyoung Kim
- Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Busan, Republic of KoreaBiomedical Research Institute, Pusan National University Hospital, Busan, Republic of KoreaDepartment of Nuclear Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Seong-Jang Kim
- Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Busan, Republic of KoreaBiomedical Research Institute, Pusan National University Hospital, Busan, Republic of KoreaDepartment of Nuclear Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - In-Joo Kim
- Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Busan, Republic of KoreaBiomedical Research Institute, Pusan National University Hospital, Busan, Republic of KoreaDepartment of Nuclear Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Kyoungjune Pak
- Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Busan, Republic of KoreaBiomedical Research Institute, Pusan National University Hospital, Busan, Republic of KoreaDepartment of Nuclear Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Heeyoung Kim
- Thoracic and Cardiovascular Surgery, Pusan National University Hospital, Busan, Republic of KoreaBiomedical Research Institute, Pusan National University Hospital, Busan, Republic of KoreaDepartment of Nuclear Medicine, Pusan National University Hospital, Busan, Republic of Korea
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Klayton T, Li T, Yu JQ, Keller L, Cheng J, Cohen SJ, Meropol NJ, Scott W, Xu-Welliver M, Konski A. The Role of Qualitative and Quantitative Analysis of F18-FDG Positron Emission Tomography in Predicting Pathologic Response Following Chemoradiotherapy in Patients with Esophageal Carcinoma. J Gastrointest Cancer 2012; 43:612-8. [DOI: 10.1007/s12029-012-9412-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Metabolic response at repeat PET/CT predicts pathological response to neoadjuvant chemotherapy in oesophageal cancer. Eur Radiol 2012; 22:2035-43. [PMID: 22562089 DOI: 10.1007/s00330-012-2459-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2011] [Revised: 02/02/2012] [Accepted: 02/20/2012] [Indexed: 12/22/2022]
Abstract
OBJECTIVES Reports have suggested that a reduction in tumour 18F-fluorodeoxyglucose (FDG) uptake on positron emission tomography (PET) examination during or after neoadjuvant chemotherapy may predict pathological response in oesophageal cancer. Our aim was to determine whether metabolic response predicts pathological response to a standardised neoadjuvant chemotherapy regimen within a prospective clinical trial. METHODS Consecutive patients staged with potentially curable oesophageal cancer who underwent treatment within a non-randomised clinical trial were included. A standardised chemotherapy regimen (two cycles of oxaliplatin and 5-fluorouracil) was used. PET/CT was performed before chemotherapy and repeated 24-28 days after the start of cycle 2. RESULTS Forty-eight subjects were included: mean age 65 years; 37 male. Using the median percentage reduction in SUV(max) (42%) to define metabolic response, pathological response was seen in 71% of metabolic responders (17/24) compared with 33% of non-responders (8/24; P = 0.009, sensitivity 68%, specificity 70%). Pathological response was seen in 81% of subjects with a complete metabolic response (13/16) compared with 38% of those with a less than complete response (12/32; P = 0.0042, sensitivity 52%, specificity 87%). There was no significant histology-based effect. CONCLUSIONS There was a significant association between metabolic response and pathological response; however, accuracy in predicting pathological response was relatively low.
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de Miranda DM, Mamede M, de Souza BR, de Almeida Barros AG, Magno LA, Alvim-Soares A, Rosa DV, de Castro CJ, Malloy-Diniz L, Gomez MV, De Marco LA, Correa H, Romano-Silva MA. Molecular medicine: a path towards a personalized medicine. BRAZILIAN JOURNAL OF PSYCHIATRY 2012. [DOI: 10.1590/s1516-44462012000100015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Hatt M, Le Pogam A, Visvikis D, Pradier O, Cheze Le Rest C. Impact of partial-volume effect correction on the predictive and prognostic value of baseline 18F-FDG PET images in esophageal cancer. J Nucl Med 2012; 53:12-20. [PMID: 22213819 DOI: 10.2967/jnumed.111.092775] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
UNLABELLED The objective of this study was to investigate the clinical impact of partial-volume effect (PVE) correction on the predictive and prognostic value of metabolically active tumor volume (MATV) measurements on (18)F-FDG PET baseline scans for therapy response and overall survival in esophageal cancer patients. METHODS Fifty patients with esophageal cancer treated with concomitant radiochemotherapy between 2004 and 2008 were retrospectively considered. PET baseline scans were corrected for PVE with iterative deconvolution incorporating wavelet denoising. MATV delineation on both original and corrected images was performed using the automatic fuzzy locally adaptive Bayesian methodology. Several parameters were extracted considering the original and corrected images: maximum and peak standardized uptake value (SUV), mean SUV, MATV, and total lesion glycolysis (TLG) (TLG = MATV × mean SUV). The predictive value of each parameter with or without correction was investigated using Kruskal-Wallis tests, and the prognostic value was determined with Kaplan-Meier curves. RESULTS Whereas PVE correction had a significant quantitative impact on the absolute values of the investigated parameters, their clinical value within the clinical context of interest was not significantly modified-a result that was observed for both overall survival and response to therapy. The hierarchy between parameters was the same before and after correction. SUV measurements (maximum, peak, and mean) had nonsignificant (P > 0.05) predictive or prognostic value, whereas functional tumor-related measurements (MATV and TLG) were significant (P < 0.002) predictors of response and independent prognostic factors. CONCLUSION PVE correction does not improve the predictive and prognostic value of baseline PET image-derived parameters in esophageal cancer patients.
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Can ¹⁸F-fluorodeoxyglucose positron emission tomography predict responses to neoadjuvant therapy in oesophageal cancer patients? A meta-analysis. Nucl Med Commun 2012; 32:1005-10. [PMID: 21886014 DOI: 10.1097/mnm.0b013e32834a8366] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
OBJECTIVES Neoadjuvant therapy for the treatment of oesophageal cancer was introduced in an effort to improve prognosis. Response assessment is crucial for the treatment of patients with oesophageal cancer. Currently, ¹⁸F-fluorodeoxyglucose positron emission tomography (¹⁸F-FDG PET) seems to be the best available tool to assess neoadjuvant therapy response in patients with oesophageal cancer. The purpose of this study was to assess the diagnostic value of ¹⁸F-FDG PET for the evaluation of neoadjuvant therapy responses in patients with oesophageal cancer using a meta-analysis. A unified procedure and evaluation standard for ¹⁸F-FDG PET in the assessment of neoadjuvant therapy response should be established. METHODS All published English-language studies pertaining to the assessment of neoadjuvant therapy response in patients with oesophageal cancer using ¹⁸F-FDG PET in the MEDLINE and EMBASE databases were collected. The methodological quality of the included studies was evaluated according to the Quality Assessment of Diagnostic Accuracy Studies quality assessment tool. Pooled sensitivity, specificity, diagnostic odds ratios and summary receiver operating characteristic curves were obtained using statistical software. RESULTS Thirteen studies included in the meta-analysis fulfilled the inclusion criteria of the Quality Assessment of Diagnostic Accuracy Studies quality assessment tool. The pooled sensitivity, specificity and diagnostic odds ratios for F-¹⁸FDG PET in the evaluation of neoadjuvant therapy response in patients with oesophageal cancer were 70.3% [95% confidence interval (CI): 64.4-75.8], 70.1% (95% CI: 65.1-74.8) and 9.389 (95% CI: 3.482-25.319), respectively. The area under the curve and the Q value for the summary receiver operating characteristic curve were 0.8244 and 0.7575, respectively. CONCLUSION ¹⁸F-FDG PET has some value in the assessment of neoadjuvant therapy response in patients with oesophageal cancer. A 50% reduction in standardized uptake value between pretherapy and posttherapy positron emission tomography scans performed in the first 2 weeks after the initiation of neoadjuvant therapy is the optimal condition for predicting a response to neoadjuvant therapy in patients with oesophageal cancer.
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Welsh J, Amini A, Likhacheva A, Erasmus J J, Gomez D, Davila M, Mehran RJ, Komaki R, Liao Z, Hofstetter WL, Lee H J, Bhutani MS, Ajani JA. Update: modern approaches to the treatment of localized esophageal cancer. Curr Oncol Rep 2011; 13:157-67. [PMID: 21365188 DOI: 10.1007/s11912-011-0158-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The optimal treatment strategy for esophageal cancer continues to be a topic of debate. Improvements in chemotherapy drugs, surgical techniques, and radiotherapy planning and delivery have led to the design of treatment approaches that are specific to both the stage of the tumor and the overall performance status of the patient. Surgery continues to be the standard treatment option for localized disease, but multimodality treatments that include radiation and chemotherapy with surgery are increasingly used. The next few years will continue to see improvements in radiation techniques, especially proton beam treatment; the development of additional minimally invasive surgical approaches to minimize postoperative side effects; and the discovery of molecular biomarkers to help specifically target treatment of esophageal cancer in individual patients.
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Affiliation(s)
- James Welsh
- Division of Radiation Oncology, The University of Texas M.D. Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX 77030, USA.
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Gerbaudo VH, Katz SI, Nowak AK, Francis RJ. Multimodality Imaging Review of Malignant Pleural Mesothelioma Diagnosis and Staging. PET Clin 2011; 6:275-97. [PMID: 27156724 DOI: 10.1016/j.cpet.2011.04.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Early diagnosis and accurate disease staging in patients with malignant pleural mesothelioma (MPM) are essential in classifying such patients into prognostic subgroups to allow delivery of stage-specific therapies. This review addresses the current status of multimodality imaging in the diagnosis and staging of MPM. Clinical, research, and future directions in computed tomography (CT), magnetic resonance imaging, and PET/CT diagnosis and staging of MPM are discussed, including the use of novel PET probes. The article concludes with important take-home messages summarized as the pearls and pitfalls of each diagnostic modality in the diagnosis and staging of patients with MPM.
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Affiliation(s)
- Victor H Gerbaudo
- Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Harvard Medical School, Brigham & Women's Hospital, 75 Francis Street, Boston, MA 02115, USA
| | - Sharyn I Katz
- Department of Radiology, Hospital of the University of Pennsylvania, University of Pennsylvania School of Medicine, 1 Silverstein Building, 3400 Spruce Street, Philadelphia, PA 19104, USA
| | - Anna K Nowak
- Department of Medical Oncology, School of Medicine and Pharmacology, University of Western Australia, Sir Charles Gairdner Hospital, Hospital Avenue, Nedlands 6009, Western Australia, Australia
| | - Roslyn J Francis
- Department of Medical Oncology, School of Medicine and Pharmacology, University of Western Australia, Sir Charles Gairdner Hospital, Hospital Avenue, Nedlands 6009, Western Australia, Australia; Department of Molecular Imaging, School of Medicine and Pharmacology, University of Western Australia, Sir Charles Gairdner Hospital, Hospital Avenue, Nedlands 6009, Western Australia, Australia
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Baseline ¹⁸F-FDG PET image-derived parameters for therapy response prediction in oesophageal cancer. Eur J Nucl Med Mol Imaging 2011; 38:1595-606. [PMID: 21559979 DOI: 10.1007/s00259-011-1834-9] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Accepted: 04/14/2011] [Indexed: 12/22/2022]
Abstract
PURPOSE The objectives of this study were to investigate the predictive value of tumour measurements on 2-deoxy-2-[(18)F]fluoro-D-glucose ((18)F-FDG) positron emission tomography (PET) pretreatment scan regarding therapy response in oesophageal cancer and to evaluate the impact of tumour delineation strategies. METHODS Fifty patients with oesophageal cancer treated with concomitant radiochemotherapy between 2004 and 2008 were retrospectively considered and classified as complete, partial or non-responders (including stable and progressive disease) according to Response Evaluation Criteria in Solid Tumors (RECIST). The classification of partial and complete responders was confirmed by biopsy. Tumours were delineated on the (18)F-FDG pretreatment scan using an adaptive threshold and the automatic fuzzy locally adaptive Bayesian (FLAB) methodologies. Several parameters were then extracted: maximum and peak standardized uptake value (SUV), tumour longitudinal length (TL) and volume (TV), SUV(mean), and total lesion glycolysis (TLG = TV × SUV(mean)). The correlation between each parameter and response was investigated using Kruskal-Wallis tests, and receiver-operating characteristic methodology was used to assess performance of the parameters to differentiate patients. RESULTS Whereas commonly used parameters such as SUV measurements were not significant predictive factors of the response, parameters related to tumour functional spatial extent (TL, TV, TLG) allowed significant differentiation of all three groups of patients, independently of the delineation strategy, and could identify complete and non-responders with sensitivity above 75% and specificity above 85%. A systematic although not statistically significant trend was observed regarding the hierarchy of the delineation methodologies and the parameters considered, with slightly higher predictive value obtained with FLAB over adaptive thresholding, and TLG over TV and TL. CONCLUSION TLG is a promising predictive factor of concomitant radiochemotherapy response with statistically higher predictive value than SUV measurements in advanced oesophageal cancer.
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Omloo JMT, van Heijl M, Hoekstra OS, van Berge Henegouwen MI, van Lanschot JJB, Sloof GW. FDG-PET parameters as prognostic factor in esophageal cancer patients: a review. Ann Surg Oncol 2011; 18:3338-52. [PMID: 21537872 PMCID: PMC3192273 DOI: 10.1245/s10434-011-1732-1] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2010] [Indexed: 12/19/2022]
Abstract
BACKGROUND (18)F-fluorodeoxyglucose positron emission tomography (FDG-PET) has been used extensively to explore whether FDG Uptake can be used to provide prognostic information for esophageal cancer patients. The aim of the present review is to evaluate the literature available to date concerning the potential prognostic value of FDG uptake in esophageal cancer patients, in terms of absolute pretreatment values and of decrease in FDG uptake during or after neoadjuvant therapy. METHODS A computer-aided search of the English language literature concerning esophageal cancer and standardized uptake values was performed. This search focused on clinical studies evaluating the prognostic value of FDG uptake as an absolute value or the decrease in FDG uptake and using overall mortality and/or disease-related mortality as an end point. RESULTS In total, 31 studies met the predefined criteria. Two main groups were identified based on the tested prognostic parameter: (1) FDG uptake and (2) decrease in FDG uptake. Most studies showed that pretreatment FDG uptake and postneoadjuvant treatment FDG uptake, as absolute values, are predictors for survival in univariate analysis. Moreover, early decrease in FDG uptake during neoadjuvant therapy is predictive for response and survival in most studies described. However, late decrease in FDG uptake after completion of neoadjuvant therapy was predictive for pathological response and survival in only 2 of 6 studies. CONCLUSIONS Measuring decrease in FDG uptake early during neoadjuvant therapy is most appealing, moreover because the observed range of values expressed as relative decrease to discriminate responding from nonresponding patients is very small. At present inter-institutional comparison of results is difficult because several different normalization factors for FDG uptake are in use. Therefore, more research focusing on standardization of protocols and inter-institutional differences should be performed, before a PET-guided algorithm can be universally advocated.
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Affiliation(s)
- J M T Omloo
- Department of Surgery, The Academic Medical Center at the University of Amsterdam, Amsterdam, The Netherlands
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Prognostic value of 18F-FDG PET image-based parameters in oesophageal cancer and impact of tumour delineation methodology. Eur J Nucl Med Mol Imaging 2011; 38:1191-202. [DOI: 10.1007/s00259-011-1755-7] [Citation(s) in RCA: 102] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2010] [Accepted: 02/01/2011] [Indexed: 12/22/2022]
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Impact of PET-CT on Primary Staging and Response Control on Multimodal Treatment of Esophageal Cancer. World J Surg 2011; 35:608-16. [DOI: 10.1007/s00268-010-0946-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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