In recent years , a second pathway for colonic carcinogenesis , distinct from the adenomatous pathway, has been explored. This is referred to as serrated pathway and includes three types of polyp,characterised by a se...In recent years , a second pathway for colonic carcinogenesis , distinct from the adenomatous pathway, has been explored. This is referred to as serrated pathway and includes three types of polyp,characterised by a serrated appearance of the crypts:hyperplastic polyps(HP),sessile serrated adenomas(SSA)or lesions,and traditional serrated adenomas.Each lesion has its own genetic,as well as macroscopic and microscopic morphological features.Because of their flat aspect,their detection is easier with chromoendoscopy(carmin indigo or narrow-band imaging).However,as we show in this review,the distinction between SSA and HP is quite difficult.It is now recommended to resect in one piece as it is possible the serrated polyps with a control in a delay depending on the presence or not of dysplasia.These different types of lesion are described in detail in the present review in general population,in polyposis and in inflammatory bowel diseases patients.This review highlights the need to improve characterization and understanding of this way of colorectal cancerogenesis.展开更多
AIM: To assess and compare outcomes of laparoscopic total colectomy performed for a variety of indications. METHODS: Sixty six patients underwent laparoscopic total colectomy for inflammatory bowel disease (IBD) (13) ...AIM: To assess and compare outcomes of laparoscopic total colectomy performed for a variety of indications. METHODS: Sixty six patients underwent laparoscopic total colectomy for inflammatory bowel disease (IBD) (13) and other diseases (53). Data on demographics, pre and post-operative outcomes were collected prospectively.RESULTS: Mean operative time was 4.5 h. Conversion rate was 13.6%. Total colectomy performed for IBD was associated with a signifi cantly higher anastomotic leak rate (23.1% vs 1.9%, P < 0.05). On univariate analysis, hand sewn anastomosis and treatment with more than 20 mg of prednisolone for at least 3 mo was associated with a higher anastomotic leak rate (P < 0.05). No signifi cant difference was found in return of gut function and overall morbidity between disease groups. CONCLUSION: Laparoscopic total colectomy is feasible and outcomes are equivalent whatever the indica- tion, except for anastomotic leak rate which is higher for patients with IBD.展开更多
文摘In recent years , a second pathway for colonic carcinogenesis , distinct from the adenomatous pathway, has been explored. This is referred to as serrated pathway and includes three types of polyp,characterised by a serrated appearance of the crypts:hyperplastic polyps(HP),sessile serrated adenomas(SSA)or lesions,and traditional serrated adenomas.Each lesion has its own genetic,as well as macroscopic and microscopic morphological features.Because of their flat aspect,their detection is easier with chromoendoscopy(carmin indigo or narrow-band imaging).However,as we show in this review,the distinction between SSA and HP is quite difficult.It is now recommended to resect in one piece as it is possible the serrated polyps with a control in a delay depending on the presence or not of dysplasia.These different types of lesion are described in detail in the present review in general population,in polyposis and in inflammatory bowel diseases patients.This review highlights the need to improve characterization and understanding of this way of colorectal cancerogenesis.
文摘AIM: To assess and compare outcomes of laparoscopic total colectomy performed for a variety of indications. METHODS: Sixty six patients underwent laparoscopic total colectomy for inflammatory bowel disease (IBD) (13) and other diseases (53). Data on demographics, pre and post-operative outcomes were collected prospectively.RESULTS: Mean operative time was 4.5 h. Conversion rate was 13.6%. Total colectomy performed for IBD was associated with a signifi cantly higher anastomotic leak rate (23.1% vs 1.9%, P < 0.05). On univariate analysis, hand sewn anastomosis and treatment with more than 20 mg of prednisolone for at least 3 mo was associated with a higher anastomotic leak rate (P < 0.05). No signifi cant difference was found in return of gut function and overall morbidity between disease groups. CONCLUSION: Laparoscopic total colectomy is feasible and outcomes are equivalent whatever the indica- tion, except for anastomotic leak rate which is higher for patients with IBD.
