BACKGROUND Dieulafoy's lesion of the anal canal is an uncommon cause of lower gastrointestinal bleeding due to rupture of a submucosal artery. This could be an under-recognized cause of hemorrhagic shock in rare cases. CASE REPORT We present 2 cases admitted with bleeding per rectum and hemorrhagic shock, and both were diagnosed as Dieulafoy's lesion of the anal canal on sigmoidoscopy. One case...

The most persuasive scientific evidence for the benefit of a cancer screening test comes from a randomized controlled clinical trial (RCT) where the endpoint is a reduction in mortality from (or incidence of) the disease of interest. There have been three RCTs of a fecal occult blood test (Hemoccult; Beckman Coulter, Palo Alto, CA) for early detection of colorectal cancer involving more than 25...

Stapled transanal rectal resection (STARR) and stapled hemorrhoidopexy (SH) are well-established techniques for treating rectal prolapse and obstructed defecation syndrome (ODS). Occasionally, they can be associated with severe complications. We describe the case of a 59-year-old woman who underwent STARR for ODS and developed a postoperative pelvic hemorrhage. A computed tomography (CT) scan r...

Colorectal carcinoma (CRC) is a common cancer and the second most common cause of death. The therapeutic costs for this disease will continue to rise due to an increasing incidence and the introduction of new chemotherapeutic modalities. Colorectal carcinoma is preceded by precursor lesions, which can be used as a target for early detection and therapy. Biennial population screening with faecal...

Sigmoid volvulus can lead to life-threatening complications. We report a splenic capsule avulsion injury requiring laparotomy as complication of sigmoid volvulus. A 73-year-old woman was admitted with abdominal distension, rigidity, and tenderness. CT abdomen revealed hemoperitoneum along possible The patient required an emergent exploratory due acute hemodynamic instability. left colectomy, on...

Colorectal cancer is one of the top three cancers in the world in terms of incidence. Colonoscopy, which many regard as the gold standard in diagnosis of colonic polyps and neoplasm, is costly, invasive and labour-intensive, and deemed an unsuitable population-wide index screening tool. Alternative modalities, including guaiac and immunohistochemical faecal occult blood tests, computed tomograp...

The quantity and quality of evidence supporting the effectiveness of colorectal cancer screening now rivals that of Pap smears and mammography screening. Table 1 synthesizes what we now know. Three large randomized trials were highly consistent in showing mortality reductions with screening fecal occult blood test (FOBT) and colonoscopic follow-up of positive results.1–3 One small trial,4 sever...

A 32-year-old homosexual male presented with suprapubic pain. Computed tomography showed rectal wall thickening. Flexible sigmoidoscopy showed small pockets of pus that were opened with mucosal biopsies, and additional pus was diffusely expressed from the rectal wall by applying blunt pressure with the biopsy forceps. Cultures from the pus grew Prevotella bivia. Symptoms resolved after treatmen...

BACKGROUND Flexible sigmoidoscopy (FS) is a complex technical procedure performed in a variety of settings, by examiners with diverse professional backgrounds, training, and experience. Potential variation in technical quality may have a profound impact on the effectiveness of FS on the early detection and prevention of colorectal cancer. AIM We propose a set of consensus and evidence based r...