BACKGROUND During laparoscopic resection for colorectal cancer,there is controversy regarding whether the left colic artery(LCA)should be preserved at its origin.AIM To investigate the prognostic significance of prese...BACKGROUND During laparoscopic resection for colorectal cancer,there is controversy regarding whether the left colic artery(LCA)should be preserved at its origin.AIM To investigate the prognostic significance of preservation of the LCA in colorectal cancer surgery.METHODS Patients were divided into two groups.The high ligation(H-L)technique(refers to ligation performed 1 cm from the beginning of the inferior mesenteric artery)group consisted of 46 patients,and the low ligation(L-L)technique(refers to ligation performed below the initiation of the LCA)group consisted of 148 patients.Operative time,blood loss,lymph nodes with tumor invasion,postoperative complications and recovery time,recurrence rate,and 5-year survival rate were compared between the two groups.RESULTS The average number of lymph nodes detected in postoperative pathological specimens was 17.4/person in the H-L group and 15.9/person in the L-L group.There were 20 patients(43%)with positive lymph nodes(lymph node metastasis)in the H-L group and 60 patients(41%)in the L-L group.No statistical differences were found between the groups.Complications occurred in 12 cases(26%)in the H-L group and in 26 cases(18%)in the L-L group.The incidences of postoperative anastomotic complications and functional urinary complications were significantly lower in the L-L group.The 5-year survival rates in H-L and L-L groups were 81.7%and 81.6%,respectively,and relapse-free survival rates were 74.3%and 77.1%,respectively.The two groups were similar statistically.CONCLUSION Complete mesenteric resection combined with lymph node dissection around the inferior mesenteric artery root while preserving the LCA is a beneficial surgical approach during laparoscopic resection for colorectal cancer.展开更多
Development and Application of Artificial Intelligence Recognition Systems in Rectal Cancer Staging Whether for surgical treatment or for neoadjuvant chemoradiotherapy,imaging evaluation has become an important basis ...Development and Application of Artificial Intelligence Recognition Systems in Rectal Cancer Staging Whether for surgical treatment or for neoadjuvant chemoradiotherapy,imaging evaluation has become an important basis to perform the treatment plans.[1]The reading of imaging results requires a large number of experienced radiologists to complete,but shortages and uneven distributions of personnel cause delays and biases in imaging results.Therefore,independent research and development of automatic recognition systems of rectal cancer staging based on artificial intelligence(AI)platforms aim to partially replace practitioners’work and achieve rapid and accurate identification of rectal cancer staging.展开更多
In the original version of this manuscript,the following line in the abstract read:‘among the 211 patients,175(82.9%)had complete TME and 33(15.6%)had incomplete TME’.This has now been corrected to:‘among the 211 p...In the original version of this manuscript,the following line in the abstract read:‘among the 211 patients,175(82.9%)had complete TME and 33(15.6%)had incomplete TME’.This has now been corrected to:‘among the 211 patients,175(82.9%)had complete TME and 33(15.6%)had near complete TME’.The author apologises for the error.展开更多
基金The study was reviewed and approved by Ethics Committee of Capital Medical University(Approval No.2021-001-2).
文摘BACKGROUND During laparoscopic resection for colorectal cancer,there is controversy regarding whether the left colic artery(LCA)should be preserved at its origin.AIM To investigate the prognostic significance of preservation of the LCA in colorectal cancer surgery.METHODS Patients were divided into two groups.The high ligation(H-L)technique(refers to ligation performed 1 cm from the beginning of the inferior mesenteric artery)group consisted of 46 patients,and the low ligation(L-L)technique(refers to ligation performed below the initiation of the LCA)group consisted of 148 patients.Operative time,blood loss,lymph nodes with tumor invasion,postoperative complications and recovery time,recurrence rate,and 5-year survival rate were compared between the two groups.RESULTS The average number of lymph nodes detected in postoperative pathological specimens was 17.4/person in the H-L group and 15.9/person in the L-L group.There were 20 patients(43%)with positive lymph nodes(lymph node metastasis)in the H-L group and 60 patients(41%)in the L-L group.No statistical differences were found between the groups.Complications occurred in 12 cases(26%)in the H-L group and in 26 cases(18%)in the L-L group.The incidences of postoperative anastomotic complications and functional urinary complications were significantly lower in the L-L group.The 5-year survival rates in H-L and L-L groups were 81.7%and 81.6%,respectively,and relapse-free survival rates were 74.3%and 77.1%,respectively.The two groups were similar statistically.CONCLUSION Complete mesenteric resection combined with lymph node dissection around the inferior mesenteric artery root while preserving the LCA is a beneficial surgical approach during laparoscopic resection for colorectal cancer.
基金International Practice Guideline Registry(No.IPGRP-2020CN175).
文摘Development and Application of Artificial Intelligence Recognition Systems in Rectal Cancer Staging Whether for surgical treatment or for neoadjuvant chemoradiotherapy,imaging evaluation has become an important basis to perform the treatment plans.[1]The reading of imaging results requires a large number of experienced radiologists to complete,but shortages and uneven distributions of personnel cause delays and biases in imaging results.Therefore,independent research and development of automatic recognition systems of rectal cancer staging based on artificial intelligence(AI)platforms aim to partially replace practitioners’work and achieve rapid and accurate identification of rectal cancer staging.
文摘In the original version of this manuscript,the following line in the abstract read:‘among the 211 patients,175(82.9%)had complete TME and 33(15.6%)had incomplete TME’.This has now been corrected to:‘among the 211 patients,175(82.9%)had complete TME and 33(15.6%)had near complete TME’.The author apologises for the error.
