Results 1 to 10 of about 809,017 (160)

Prognostic impact of R1 resection margin in synchronous and simultaneous colorectal liver metastasis resection: a retrospective cohort study [PDF]

World Journal of Surgical Oncology, 2023
Background A margin ≥ 1 mm is considered a standard resection margin for colorectal liver metastasis (CRLM). However, microscopic incomplete resection (R1) is not rare since aggressive surgical resection has been attempted in multiple and bilobar CRLM ...
Na Reum Kim, Essam Dhafer Alhothaifi, Dai Hoon Han, Jin Sub Choi, Gi Hong Choi   +4 more
doaj   +3 more sources

Oncologic outcomes according to the location and status of resection margin in pancreas head cancer: role of radiation therapy in R1 resection. [PDF]

Ann Surg Treat Res, 2022
Purpose The clinical significance of margin status in pancreatic head cancer is still controversial due to the nonstandardized definition of R status and pathologic reporting. This study aims to evaluate the impact of the margin status including location
Sohn HJ, Kim H, Kim SJ, Lee KB, Han Y, Lee JM, Kang JS, Kwon W, Chie EK, Kim H, Jang JY.   +10 more
europepmc   +2 more sources

Comparing Survival of Perihilar Cholangiocarcinoma After R1 Resection Versus Palliative Chemotherapy for Unresected Localized Disease. [PDF]

Ann Surg Oncol
Resection of perihilar cholangiocarcinoma (pCCA) is a complex procedure with a high risk of postoperative mortality and early disease recurrence. The objective of this study was to compare patient characteristics and overall survival (OS) between pCCA ...
van Keulen AM, Buettner S, Olthof PB, Klümpen HJ, Erdmann JI, Izquierdo-Sanchez L, Banales JM, Goeppert B, Roessler S, Zieniewicz K, Lamarca A, Valle JW, La Casta A, Hoogwater FJH, Donadon M, Scheiter A, Marzioni M, Adeva J, Kiudeliene E, Fernández JMU, Vidili G, Mocan T, Fabris L, Krawczyk M, Folseraas T, Dopazo C, Detry O, Voiosu T, Scripcariu V, Biancaniello F, Braconi C, Macias RIR, Groot Koerkamp B.   +32 more
europepmc   +2 more sources

Vein resection in patients with adenocarcinoma of the head of pancreas adherent to the portomesenteric venous axis is beneficial despite a high rate of R1 resection. [PDF]

Ann Hepatobiliary Pancreat Surg, 2018
Backgrounds/Aims En-bloc vein resection (VR) for pancreatic ductal adenocarcinoma (PDAC) of the head of pancreas adherent to the portomesenteric axis benefits patients when the vein wall is not infiltrated by tumour and an R0 resection is achieved ...
Cherukuru R, Govil S, Vij M, Rela M.
europepmc   +2 more sources

Analysis of prognostic factors for R1/R2 resection in patients with hilar cholangiocarcinoma [PDF]

BMC Surgery
Objective To identify prognostic factors and develop a predictive tool for patients with hilar cholangiocarcinoma (HCCA) undergoing R1 or R2 resection, thereby informing patient selection and individualized treatment decisions.
Zepu Wang, Chuncheng Wang, Meijian Yang, Dan Lv, Yanhui Peng   +4 more
doaj   +2 more sources

Risk factors of positive resection margin differ in pancreaticoduodenectomy and distal pancreatosplenectomy for pancreatic ductal adenocarcinoma undergoing upfront surgery

Asian Journal of Surgery, 2023
Summary: Objective: Positive resection margin indicates worse prognosis. The present study identified the independent risk factors of R1 resection in pancreaticoduodenectomy (PD) and distal pancreatosplenectomy (DP) for patients with pancreatic ductal ...
Bo Li, Shiwei Guo, Xiaoyi Yin, Chenming Ni, Suizhi Gao, Gang Li, Canrong Ni, Hui Jiang, Wan Yee Lau, Gang Jin   +9 more
doaj   +1 more source

Is positive histologic surgical margin associated with overall survival in patients with resectable gallbladder cancer?

Surgery Open Science, 2021
Background: Achieving microscopically negative (R0) surgical margins in gallbladder cancer often requires a partial hepatectomy with associated risk of morbidity and potential to delay adjuvant therapy. Prior studies on the importance of margin status in
Michael J Littau, BA, Sujay Kulshrestha, MD, Corinne Bunn, MD, Preston Kim, MS, Fred A. Luchette, MD, MSc, Marshall S. Baker, MD, MBA   +5 more
doaj   +1 more source

Comparison of Prognosis Between Microscopically Positive and Negative Surgical Margins for Primary Gastrointestinal Stromal Tumors: A Systematic Review and Meta-Analysis

Frontiers in Oncology, 2022
BackgroundThis meta-analysis aimed to determine the prognostic impact of microscopically positive margins (R1) on primary gastrointestinal stromal tumors.MethodsA literature search was performed using PubMed, Embase, Web of Science, and Cochrane Library ...
Zhen Liu, Yichunzi Zhang, Han Yin, Xiuzhu Geng, Sishang Li, Jinrong Zhao, Ziyang Zeng, Xin Ye, Jianchun Yu, Fan Feng, Weiming Kang   +10 more
doaj   +1 more source

Intraoperative electron beam radiotherapy (IOERT) versus high-dose-rate intraoperative brachytherapy (HDR-IORT) in patients with an R1 resection for locally advanced or locally recurrent rectal cancer.

International Journal of Radiation Oncology, Biology, Physics, 2021
INTRODUCTION Intraoperative radiotherapy (IORT), delivered by intraoperative electron beam radiotherapy (IOERT) or high-dose-rate intraoperative brachytherapy (HDR-IORT), may reduce the local recurrence rate in patients with locally advanced and locally ...
E. Voogt, J. V. van Rees, J. Hagemans, J. Rothbarth, G. Nieuwenhuijzen, J. Cnossen, H. Peulen, W. Dries, J. Nuyttens, I. Kolkman-Deurloo, Cornelis Verhoef, H. Rutten, J. Burger   +12 more
semanticscholar   +1 more source

Tumor attachment to Major intrahepatic vascular for Colorectal liver metastases

BMC Surgery, 2023
Background Colorectal liver metastases attached major intrahepatic vessels has been considered to be a risk factor for survival outcome after liver resection.
Wei Liu, Yong Cui, Xiao-Gang Wu, Feng-Lin Chen, Kun Wang, Ying-Shi Sun, Bao-Cai Xing   +6 more
doaj   +1 more source