1/91. Giant colonic diverticulum: report of a case.Giant colonic diverticulum is a rare complication of colonic diverticulosis. It typically occurs as a single diverticulum located on the antimesenteric border of the sigmoid colon. The most widely accepted theory for its development attributes the progressive dilation to a "ball-valve" mechanism, allowing air to enter but not to exit. patients usually present complaining of abdominal pain and/or an abdominal mass, although they may remain asymptomatic. physical examination reveals a tympanic abdominal mass that appears as a round radiolucency on plain radiographs and CT. barium enema demonstrates the relationship of the diverticulum to bowel and may document communication with the colonic lumen. To alleviate symptoms and prevent complications, the recommended treatment is excision of the diverticulum in continuity with the involved colonic segment. We report a case and discuss the presentation, diagnosis, and management of giant colonic diverticulum.- - - - - - - - - - ranking = 1keywords = diverticulosis, colonic (Clic here for more details about this article) |
2/91. Sigmoid colon perforation due to geophagia.Geophagia can be a problem in mentally handicapped patients. This case report presents a 71-year-old mentally handicapped women who had to be operated in emergency for colonic perforation due to geophagia.- - - - - - - - - - ranking = 0.089727944874239keywords = colonic (Clic here for more details about this article) |
3/91. Refractory proctosigmoiditis caused by myointimal hyperplasia of mesenteric veins: report of a case.PURPOSE: Proctosigmoiditis occurring in young adults is usually idiopathic and usually responds to medical management. If the process progresses to pancolitis and is refractory to medical management, proctocolectomy may be required. Myointimal hyperplasia of mesenteric veins, though rare, may also cause proctosigmoiditis, but this entity, in contrast to the idiopathic variety, does not respond to medical management; surgical excision limited to the involved colonic segment is curative. Because the treatment of the two entities differs significantly, it is important to distinguish them diagnostically. The purpose of this case report is to increase awareness of myointimal hyperplasia of mesenteric veins and to emphasize the clinical features that distinguish it from idiopathic proctosigmoiditis. methods: We report the case of a twenty-two-year-old male with an inflammatory process involving the distal colon and rectum, initially thought to be idiopathic proctosigmoiditis. The inflammation did not respond to an extensive course of medical management, and the patient developed complications associated with both the disease process and his medical therapy. Surgical resection of the rectosigmoid was performed. RESULTS: Histologic examination of the resected colon revealed the underlying process to be colonic ischemia caused by myointimal hyperplasia of mesenteric veins not associated with idiopathic inflammatory bowel disease or systemic vasculitis. CONCLUSION: Proctosigmoiditis caused by myointimal hyperplasia of mesenteric veins and idiopathic proctosigmoiditis may present in a similar fashion. Although patients with myointimal hyperplasia of mesenteric veins do not respond to medical management, segmental resection is usually curative, and long-term drug therapy or even proctocolectomy can be avoided. physicians should consider the possibility of myointimal hyperplasia of mesenteric veins when patients with apparent idiopathic proctosigmoiditis do not respond to medical therapy.- - - - - - - - - - ranking = 0.17945588974848keywords = colonic (Clic here for more details about this article) |
4/91. Sigmoid volvulus in children and adolescents.BACKGROUND: Sigmoid volvulus is an exceptionally rare and potentially life-threatening condition in the pediatric age group. STUDY DESIGN: We report our experience with three children treated for sigmoid volvulus and review the cases reported in the medical literature since 1940. RESULTS: Since 1940, 63 cases of sigmoid volvulus in children (including this series) have been reported. The median age was 7 years and the male to female ratio was 3.5:1. Two distinct presentations (acute and recurrent) were identified. Abdominal symptoms dominated the clinical picture. barium enemas either confirmed or were highly suggestive of sigmoid volvulus. Reduction by barium enema was successful in 77% (10 of 13) of the attempts. Forty-nine patients underwent operative treatment, with sigmoidectomy (with or without primary anastomosis) being the most common. The overall mortality rate was 6%, operative mortality was 8.1%, and neonatal mortality was 14%. Associated conditions were frequent. Particular emphasis should be placed on ruling out Hirschsprung's disease (present in 11 of 63 patients). CONCLUSIONS: Sigmoid volvulus remains a rare occurrence in children, but it should be included in the differential diagnosis of pain in children when colonic distention is present. An algorithm for treatment is proposed.- - - - - - - - - - ranking = 0.089727944874239keywords = colonic (Clic here for more details about this article) |
5/91. Gastric adenocarcinoma of Meckel's diverticulum as a cause of colonic obstruction.A 45-year-old-female patient with no prior surgical history presented with bowel obstruction. At laparotomy, a bulky tumor arising from the ileum, which completely obstructed the sigmoid colon, was found. A left hemicolectomy followed by a transverse colostomy and a Hartman's pouch were performed. Pathological examination of the specimen revealed gastric adenocarcinoma arising from a Meckel's diverticulum in the ileum. Malignant transformation from a Meckel's diverticulum is an uncommon occurrence. This case illustrates that successful management of a symptomatic Meckel's diverticulum, even with malignant transformation, can be achieved by surgical resection.- - - - - - - - - - ranking = 0.35891177949695keywords = colonic (Clic here for more details about this article) |
6/91. Obstructing giant colonic diverticulum.We report the second case of an obstructing true colonic diverticulum. Of the 103 cases of giant sigmoid diverticulum found in the literature, 13% have been reported as true giant sigmoid diverticulum, ie, containing all layers of the colonic wall. Our 75-year-old patient had clinical symptoms for only 6 months, and endoscopy revealed an almost totally obstructing mass 20 cm from the anus. Surgical resection of the sigmoid colon with a primary anastomosis resolved all of the patient's obstructive symptoms. A flap-valve mechanism was the cause of this true giant colonic diverticulum. Microscopic examination of the diverticulum wall revealed all normal layers of colon wall.- - - - - - - - - - ranking = 0.62809561411967keywords = colonic (Clic here for more details about this article) |
7/91. Surgical treatment of a sigmoid volvulus associated with megacolon: report of a case.Sigmoid volvulus occurring concomitantly with megacolon is an uncommon cause of bowel obstruction, and various approaches to treatment have been proposed. We report herein a case of sigmoid volvulus with megacolon that was successfully treated by elective surgery following endoscopic reduction during the same hospital stay. A 70-year-old woman was admitted to our hospital with abdominal pain, distension, and severe constipation. physical examination, plain abdominal X-ray, and barium enema confirmed a sigmoid volvulus and further examinations revealed concomitant megacolon. An elective sigmoid colectomy was performed following successful endoscopic decompression. The postoperative course was uneventful and there was no residual colonic dysmotility. Histologically, no aganglionic tissue was observed in the resected specimen.- - - - - - - - - - ranking = 0.089727944874239keywords = colonic (Clic here for more details about this article) |
8/91. Recurrent intussusception of the sigmoid colon caused by a transanal protruding sessile tubulo-villous malignant polyp.We report a case of a 35 year-old woman with a large malignant sessile tubulo-villous polyp of the proximal end of a dolico-sigmoid colon causing intussusception and transanal prolapsing. The diagnosis presented some difficulties being the intussusception intermittent. The clinical feature had been initially misdiagnosed for a very large bleeding polyp (5 cm in size), protruding out of the anus with a long pedicle in the rectum. The histology of multiple bioptic samples of the lesion revealed malignancy. Conventional radiologic studies (plain x-rays, barium enema) after metal clips had been placed on the head of the polyp before it rose up the colon, led to the correct diagnosis without, nevertheless, documenting intussusception. An elective surgical resection of the dolico-sigmoid colon allowed the correct diagnosis and the curative treatment of the colonic intussusception and the malignancy.- - - - - - - - - - ranking = 0.089727944874239keywords = colonic (Clic here for more details about this article) |
9/91. Sigmoid volvulus in children: report of two cases.Volvulus of the sigmoid colon is rare in children. An early, accurate diagnosis can avoid unnecessary surgery and reduce the risk of complications. This condition is mainly due to a redundant sigmoid colon with a narrow mesosigmoid attachment. We describe two cases of sigmoid volvulus, which showed different clinical severities and were treated with different methods. Patient 1, a 9-year-old boy, presented with acute abdominal pain and vomiting. Patient 2, an 11-year-old boy, presented with abdominal pain, abdominal distention, and bloody mucoid stool. Plain abdominal radiographs revealed a distended colonic loop extending upward from the pelvis in patient 1 and a typical "coffee bean" sign in patient 2. barium enema examination was used to confirm the diagnosis in both cases. The volvulus was reduced by insertion of a rectal tube in patient 1 and surgically in patient 2. Sigmoid colon volvulus should be included in the differential diagnosis of childhood abdominal pain or distention. This report suggests that nonsurgical reduction should be attempted first for uncompromised sigmoid volvulus in children, unless bowel ischemia or perforation develops.- - - - - - - - - - ranking = 0.089727944874239keywords = colonic (Clic here for more details about this article) |
10/91. Percutaneous endoscopic sigmoidopexy in sigmoid volvulus with T-fasteners: report of two cases.PURPOSE: We report two cases of percutaneous endoscopic sigmoidopexy in patients with sigmoid volvulus. methods: Two patients with recurrent sigmoid volvulus were considered unfit for resective surgery or general anesthesia (American Society of Anesthesiologists physical status III-IV). Fixation of the sigmoid colon to the abdominal wall was performed percutaneously under sedation in the endoscopy suite. Fixation was obtained using three T-fasteners in a triangular disposition in the bowel. The T-fasteners were cut at the skin after 28 days. RESULTS: Both procedures were successfully performed in approximately 20 minutes and were well tolerated. Feeding commenced the same day. One patient died after seven months of follow-up, without recurrence, of causes not related to volvulus. The other patient had no recurrence after 18 months of follow-up. CONCLUSION: The authors purpose was to show a new technique for colonic fixation performed in patients with recurrent sigmoid volvulus who otherwise had contraindication for elective surgery. Future studies will be required to verify the effectiveness and safety of this novel technique.- - - - - - - - - - ranking = 0.089727944874239keywords = colonic (Clic here for more details about this article) |
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