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Prognostic value of 18-fluorodeoxyglucose positron emission tomography-computed tomography in resectable colorectal cancer

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World Journal of Gastroenterology 2012年第36期18卷 5072-5077页

作者： Jang Eun Lee Sang Woo Kim Jin Su Kim Kyu Yong Choi Won Kyung Kang Seong Taek Oh Ie Ryung Yoo Sung Hoon Kim Department of Internal Medicine Seoul St.Mary's HospitalCollege of MedicineThe Catholic University of South KoreaSeoul 137-701South Korea Department of Surgery College of MedicineThe Catholic University of South KoreaSeoul 137-701South Korea Department of Radiology Seoul St.Mary's HospitalCollege of MedicineThe Catholic University of South KoreaSeoul 137-701South Korea

AIM:To assess the prognostic value of preoperative 18 fluorodeoxyglucose positron emission tomography(FDG-PET)/computed tomography(CT) in patients with resectable colorectal ***:One hundred sixty-three patients with resectable colorectal cancer who underwent FDG-PET/CT before surgery were *** data including pathologic stage at presentation,histology,treatment,disease-free survival and the maximum standardized uptake value(SUVmax) of the primary tumor on FDG-PET/CT were retrospectively *** follow up duration was 756(range,419-1355).The primary end point was disease-free ***:Twenty-five of 163 patients(15.3%) had *** median SUVmax values of the recurrence and no-recurrence groups were 8.9(range,5-24) and 8.2(range,0-23,P = 0.998).Receiver operating characteristic(ROC) curve analysis showed no significant association between SUVmax and recurrence(area under the curve = 0.5,P = 0.998,95% CI:0.389-0.611).Because a statistically significant value was not found,SUVmax was dichotomized at its median of *** disease-free survival curve was analyzed using the median SUVmax(8.6) as the cut *** and multivariate analysis did not provide evidence that disease-free survival rates for the subgroups defined by the median SUVmax were significantly different(P = 0.52,P = 0.25).CONCLUSION:Our study suggests that the high FDG uptake of primary mass in resectable colorectal cancer doesn't have a significant relationship with tumor recurrence and disease-free survival.

关键词： Positron-emission tomography colorectalneoplasms Disease-free survival Recurrence Prognosis

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