Detectability of T-Measurable Diseases in Advanced Gastric Cancer on FDG PET-CT
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ORIGINAL ARTICLE
Detectability of T-Measurable Diseases in Advanced Gastric Cancer on FDG PET-CT Sun Young Oh & Gi Jeong Cheon & Young Chul Kim & Eugene Jeong & Seungeun Kim & Jae-Gol Choe
Received: 11 March 2012 / Revised: 27 April 2012 / Accepted: 31 May 2012 / Published online: 4 August 2012 # Korean Society of Nuclear Medicine 2012
Abstract Purpose Usefulness of FDG PET-CT in monitoring response in locally advanced gastric cancer has been reported. The purpose of this study was to evaluate the related factors to detect measurable diseases in advanced gastric cancer on FDG PET-CT. Methods We retrospectively reviewed 38 patients diagnosed as having advanced gastric cancer. We defined the measurable diseases when there was visualized tumor of which maximum standardized uptake value (SUVmax) was higher than 1.35*SUVmax of liver + 2*SD of liver SUV. We evaluated what kinds of factors from the clinicopathologic features were related to identifying measurable diseases. Results Of 38 patients with advanced gastric cancer, 18 (50 %) had measurable tumors on FDG PET-CT. Measurable tumors were significantly more frequent in well or moderately differentiated adenocarcinoma (70.5 % vs 35.3 %, p
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