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Adenocarcinoma arising within a colonic diverticulum: report of two cases and review of the literature.

The first reported cases of colonic carcinoma arising within a diverticulum are documented. Although colonic diverticulitis and cancer are common diseases in patients over 60 years of age, cancer arising within a diverticulum is rare. Only close histopathologic scrutiny can differentiate inflammatory changes from neoplasia. Because colonic diverticula are characteristically thin-walled, cancers arising within diverticula may easily penetrate the serosa and first be diagnosed at an advanced stage despite their small size.

Adenocarcinoma↗

Giant colonic diverticulum: an unusual manifestation of a common disease.

Giant colonic diverticula are an uncommon manifestation of colonic diverticular disease. This report documents another case of this rare entity. The clinical presentation is variable, but abdominal pain and the presence of an abdominal mass are common. Their etiology is uncertain, but they are thought to originate from pulsion diverticula. Abdominal plain films and barium enema are helpful in making the diagnosis. Computerized tomography is useful when the diagnosis is unclear. Surgical resection is recommended to alleviate symptoms and avoid complications.

Aged↗

[Perforation of colonic diverticulum under corticoids: a complication to be known and recognized].

Glucocorticoids can produce acute perforation of colonic diverticula and peritoneal infection. We report two observations in which patients presented a peritoneal collection with no specific clinical signs. The diagnosis was considered after C-T scan or ultrasans. Residues of contrast liquid, after an earlier X-ray exploration, have made the diagnosis of diverticula easier. In one case, corticosteroids were started as a short cure for the treatment of a myeloma. In the other case, patient received a long term corticosteroid therapy at low dose for an asthmatic disease. The perforation was induced by an increased dosage. Diverticular perforations result from inhibition of synthesis of prostaglandins who have the beneficial property of "cytoprotection" and from the immunosuppressive action of glucocorticoids which favour the diffusion of the peritoneal infection. diffusion of the peritoneal infection.

Aged↗

[A rare case illustrating the difficulty of diagnosing and treating elderly patient with CAPD-related peritonitis caused by the perforation of sigmoid colon diverticulum].

A 67-year-old man was admitted with abdominal pain on April 23, 2000. Continuous ambulatory peritoneal dialysis (CAPD)-related peritonitis was diagnosed. Administration of antibiotics for five days obtained no improvement. Therefore the peritoneal catheter was removed on April 28th. Although his condition became settled, C-reactive protein remained positive. Moreover, two kinds of bacilli were detected from the CAPD fluid, just before the catheter was removed. As abnormalities in the colon were possible, an enema examination was performed on May 23rd. A constriction and several diverticula of the sigmoid colon were detected. High grade fever appeared on May 23rd, and the patient complained of abdominal pain the next day. As there was no improvement, we performed enhanced computed tomography and detected an abscess in the Douglas pouch on May 29th. The abscess was resected on the same day, and he was discharged. The number of patients with chronic renal failure has increased in recent years. Although hemodialysis has been the treatment of choice, peritoneal dialysis should be considered. More investigations into complications created by peritoneal dialysis are required, especially in elderly people who seldom show symptoms of CAPD-related peritonitis until they reach a critical condition. If peritoneal dialysis is being performed and inflammation reactions continue, it is necessary to examine the patient for perforated peritonitis and abscess formation.

Aged↗

[A case of perforated diverticulum of the right colon].

Diverticulum of the right colon is a rare disease which is often wrongly diagnosed and asymptomatic. It affects young individuals and is manifested by symptoms similar to appendicitis. The paper reports a case of a young man with an isolated perforated diverticulum of the right colon which was clinically manifested as acute appendicitis with peritoneal reaction. It is extremely difficult to make a preoperative diagnosis of cecal diverticulitis. Even the anatomosurgical appearance sometimes makes it difficult to distinguish from neoplasia. For this reason the most frequent operation is right hemicolectomy which is however well tolerated by young patients.

Acute Disease↗

[Solitary diverticulum of ascending colon induced internal intestinal herniation: report of one case].

Colonic diverticula are generally multiple and occur most commonly in the descending and sigmoid colon. Solitary ascending colonic diverticulum is a rare pathology and presents several features which separate it from colonic diverticulosis. It is a true diverticulum. It is a congenital dysplasia that generally runs an asymptomatic course and becomes clinically important only when inflammatory, perforating, or hemorrhagic complications occurs and presents a difficult problem in diagnosis and management. An unusual case of 4 year old girl with solitary ascending colonic diverticulum was reported here. It caused internal intestinal herniation by forming an adhesion band with mesentery and the clinical course manifested as an acute intestinal obstruction.

Child, Preschool↗

Giant diverticulum of the sigmoid colon.

The giant colonic diverticulum is a very rare clinical entity usually located in the sigmoid colon of elderly patients. A case of an 87-year-old woman recently treated in our hospital is reported hereinafter. The patient was non-surgically treated due to her advanced age and high surgical risk.

Aged↗

Retroperitoneal perforation of a duodenal diverticulum with colonic necrosis -- report of a case.

Primary duodenal diverticula are usually asymptomatic. About 115 perforations have been reported, but none with right colon necrosis. We report a 45-year-old woman, with a five days history of high fever along with epigastric and periumbilical pain. Physical examination revealed right upper and lower quadrant tenderness with peritoneal signs. White blood cell count was 11 500/mm (3) while biochemical and hepatic biology tests were normal. Abdominal radiographs showed no pathologic findings. Ultrasound disclosed fluid in the lower pelvis. Computerized tomography revealed fluid collection in the right hepatorenal space. Intraoperative findings included purulent fluid in the lower pelvis, segmental necrotic changes of the right colon, and a perforated diverticulum on the antimesenteric border of the third part of the duodenum. Surgery consisted of right hemicolectomy and ileo-transverse anastomosis, diverticulectomy, and decompressive lateral duodenostomy at the second duodenal portion. The patient had an uneventful postoperative course. A contrast study from the duodenostomy tube on the 6 (th) postoperative day showed no leakage or obstruction. Duodenostomy tube was removed on the 14 (th) postoperative day. Histology confirmed the diagnosis of a primary duodenal diverticulum.

Abdomen, Acute↗