Obesity Increases Prevalence of Colonic Adenomas at Screening Colonoscopy: A Canadian Community-Based Study.

Background And Aims: Obesity is a risk factor for colorectal neoplasia. We examined the influence of obesity and metabolic syndrome (MetS) on prevalence of neoplasia at screening colonoscopy.

Methods: We evaluated 2020 subjects undergoing first screening colonoscopy.

An evidence-based manual for abdominal paracentesis.

The purpose of this study was to provide evidence-based approaches to detect ascites, perform paracentesis, order tests, and interpret the results. A Medline search was performed to identify relevant articles. Of 731 identified articles, 50 articles were used.

Two for one: coexisting ulcerative colitis and Crohn's disease.

Three cases of coexisting ulcerative colitis and Crohn's disease are presented. In the first case, the patient had a long-standing history of ulcerative proctitis before developing Crohn's colitis. In the two remaining cases, the patients presented initially with Crohn's disease of the ileum and, subsequent to resection, developed ulcerative colitis.