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PubMed1991

Appendicovesical fistula associated with papillovillous adenoma of the appendix.

Appendicovesical fistulae represent 5% of all intestinal vesical fistulae. Usually a known cause is appendicitis, cecal diverticulitis, cystadenocarcinoma of the appendix and carcinoid tumors. We report the 2nd case, to our knowledge, where a benign tumor is a possible reason for the formation of an appendicovesical fistula.

Adenoma↗
PubMed1999

Laparoscopic ileocecal resection for Crohn's disease associated with intestinal stenosis and ileorectal fistula.

Although a complete remission of Crohn's disease can be induced by conservative therapy, surgical treatment is often required for patients with intestinal stenosis or fistulas, for whom minimally invasive laparoscopic surgery appears to be most appropriate. We herein report on a 26-year-old patient with Crohn's disease, who presented with an ileorectal fistula and severe stenosis of the terminal ileum and thus underwent laparoscopic surgery. The ileorectal fistula was divided intracorporeally using an autostapling device. The return to full activity after laparoscopic surgery is earlier than after open surgery, and the former approach is often beneficial for some patients with Crohn's disease. This is the first report of laparoscopic surgery for Crohn's disease associated with ileorectal fistula.

Adult↗
PubMed1983

Mechanisms of fat malassimilation following total gastrectomy in rats.

The present study is designed to elucidate the mechanisms of fat malassimilation following total gastrectomy. Using male Wistar rats, total gastrectomy with an esophagoduodenostomy was performed. Totally gastrectomized and normal control rats, provided with intestinal lymph fistula or closed intestinal loops with intact blood supply, were used for the absorption studies. The lymphatic absorption of the emulsion in the totally gastrectomized rats, administered into the duodenum, was significantly less than that in the control, administered into the stomach or duodenum. Fat assimilation in the totally gastrectomized rats was obviously disturbed. In the totally gastrectomized rats, the lymphatic absorption of the micelle was significantly higher than that of the emulsion. An examination of the lipid absorption in the closed intestinal loops, injected micellar solution, showed no differences between the control and totally gastrectomized rats in the lumen or wall recovery, while, the total esterified lipids in the intestinal mucosa from the ligament of Treitz to the cecum of the totally gastrectomized rats were significantly less than those of the control. These results suggest that postgastrectomy fat malassimilation is due to both an impaired micellar formation and the disturbed resynthesis of triglyceride from absorbed fatty acid and monoglyceride.

Animals↗