OBJECTIVES: Despite radical radiotherapy and chemotherapy (CT), the prognosis of locally advanced nonsmall cell lung cancer (NSCLC) is poor. New prognostic indicators are being looked forward to improve the survival. [18F]-fluorodeoxyglucose (FDG) uptake on PET/CT has been observed as a prognostic marker mainly in early-stage disease. Our aim was to examine the prognostic value of FDG uptake in locally advanced NSCLC. MATERIALS AND METHODS: Between 2009 and 2011, 103 NSCLC patients underwent disease staging using FDG PET/CT before conformal radiotherapy. Thoracic radiation was administered at a daily fraction of 2 Gy. Total dose was prescribed according to the tumor response against CT. All patients underwent CT. Survival was estimated using the Kaplan-Meier method. RESULTS: The median age of the patients was 59 years (range 39-83). The median follow-up time was 22.63 months (range 6-48.03 months). There was a statistically significant difference in overall survival (OS) between the low (<10.7) and high (≥10.7) standardized uptake value (SUVmax) groups (p = 0.006) on univariate analysis (3-year OS was 42% in the low (<10.7) and 23% in the high (≥10.7) SUVmax groups). On multivariate analysis with determining tumor size, tumor SUVmax provided additional significant prognostic information on OS (HR 1.046; 95 % CI 1.009-1.085, p = 0.015). CONCLUSIONS: FDG uptake has predictive value in locally advanced NSCLC, independently of tumor size.
OBJECTIVES: Despite radical radiotherapy and chemotherapy (CT), the prognosis of locally advanced nonsmall cell lung cancer (NSCLC) is poor. New prognostic indicators are being looked forward to improve the survival. [18F]-fluorodeoxyglucose (FDG) uptake on PET/CT has been observed as a prognostic marker mainly in early-stage disease. Our aim was to examine the prognostic value of FDG uptake in locally advanced NSCLC. MATERIALS AND METHODS: Between 2009 and 2011, 103 NSCLCpatients underwent disease staging using FDG PET/CT before conformal radiotherapy. Thoracic radiation was administered at a daily fraction of 2 Gy. Total dose was prescribed according to the tumor response against CT. All patients underwent CT. Survival was estimated using the Kaplan-Meier method. RESULTS: The median age of the patients was 59 years (range 39-83). The median follow-up time was 22.63 months (range 6-48.03 months). There was a statistically significant difference in overall survival (OS) between the low (<10.7) and high (≥10.7) standardized uptake value (SUVmax) groups (p = 0.006) on univariate analysis (3-year OS was 42% in the low (<10.7) and 23% in the high (≥10.7) SUVmax groups). On multivariate analysis with determining tumor size, tumor SUVmax provided additional significant prognostic information on OS (HR 1.046; 95 % CI 1.009-1.085, p = 0.015). CONCLUSIONS:FDG uptake has predictive value in locally advanced NSCLC, independently of tumor size.
Authors: Hubert Vesselle; Joseph D Freeman; Linda Wiens; Joshua Stern; Huang Q Nguyen; Stephen E Hawes; Philip Bastian; Alexander Salskov; Eric Vallières; Douglas E Wood Journal: Clin Cancer Res Date: 2007-06-01 Impact factor: 12.531
Authors: Tyler J Bradshaw; Stephen R Bowen; Michael A Deveau; Lyndsay Kubicek; Pamela White; Søren M Bentzen; Richard J Chappell; Lisa J Forrest; Robert Jeraj Journal: Int J Radiat Oncol Biol Phys Date: 2015-03-15 Impact factor: 7.038
Authors: Ivayla Apostolova; Julian Rogasch; Ralph Buchert; Heinz Wertzel; H Jost Achenbach; Jens Schreiber; Sandra Riedel; Christian Furth; Alexandr Lougovski; Georg Schramm; Frank Hofheinz; Holger Amthauer; Ingo G Steffen Journal: BMC Cancer Date: 2014-12-01 Impact factor: 4.430