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neoadjuvant chemoradiation is associated with decreased lymph node ratio in borderline resectable pancreatic cancer:A propensity score matched analysis

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Hepatobiliary & Pancreatic Diseases International 2021年第1期20卷 74-79页

作者： June S Peng Gareth Morris-Stiff noaman S Ali Jane Wey sr.char.n chalikonda Kevin M El-Hayek R Matthew Walsh Department of Surgery The Pennsylvania State UniversityCollege of MedicineHersheyPA 17033-0850USA Department of General Surgery Digestive Disease and Surgery InstituteCleveland Clinic FoundationClevelandOH 44195-0001USA

Background:Lymph node ratio(LnR)and margin status have prognostic significance in pancreatic *** we examined the pathologic and clinical outcomes in patients with borderline resectable pancreatic cancer(BRPC)following neoadjuvant therapy(nAT)and ***:Patients who underwent treatment between January 1,2012 and June 30,2017 were *** patients in the BRPC group were compared to a propensity score matched cohort of patients with radiographically resectable pancreatic cancer who underwent upfront surgical *** BRPC group was also compared to sequential patients with radiographically resectable pancreatic cancer who required vein resection(VR)during upfront ***:There were 50 patients in the BRPC group,50 patients in the matched control group,and 38 patients in the VR *** margins(R0)were seen in 72%,64%,and 34%of the BRPC,control,and VR groups,respectively(P=0.521 for BRPC ***;P=0.002 for BRPC ***),with 24%of the BRPC group requiring a vascular *** stage was n0 in 64%,20%,and 18%of the BRPC,control,and VR groups,respectively(Pn nodal status was stratified into four groups(n0,or LnR≤0.2,0.2–0.4,≥0.4),the BRPC group had a more favorable distribution(Pn overall survival were 28.8,38.6,and 19.0 months for the BRPC,control,and VR groups,respectively(log-rank P=0.096).Conclusions:nAT in BRPC was associated with more R0 and n0 resections and lower LnR compared to patients undergoing upfront resection for resectable disease.

关键词： neoadjuvant therapy Lymph node ratio Pancreatic cancer Borderline resectable Vein resection

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