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Metallic Stents in the Treatment of Benign Diseases of the Colon: Preliminary Experience in 10 Cases¹

¹ From the Departments of Radiology (L.P., I.P., H.G.), Surgery (R.F.L.), and Gastroenterology (E.M.), University Getafe Hospital, Carretera de Toledo Km 12,5, 28905 Getafe, Madrid, Spain. Received April 30, 2001; revision requested June 5; revision received September 10; accepted October 16. Address correspondence to L.P. (e-mail: laura.paul@teleline.es).

PURPOSE: To assess the effectiveness of and complications associated with metallic stent placement for treatment of benign diseases of the colon.

MATERIALS AND METHODS: With radiologic guidance, the authors placed metallic stents in 10 patients with benign diseases of the colon: Nine stents were placed in the rectosigmoid colon, and one was placed in the descending colon. The stents were placed in two cases of diverticulitis complicated by pelvic abscess, four cases of colonic fistula following surgery, and four cases of postsurgical anastomotic stricture. Coated stents were placed in the cases involving fistulas and diverticulitis.

RESULTS: In the two cases of diverticulitis complicated by pelvic abscess, the coated stents helped to resolve the abscesses, but both patients subsequently developed complications: fistula and perforation. Of the four cases of colonic fistula, two were resolved with stent placement. In the four cases of postsurgical stenosis, the stents temporarily relieved the symptoms of obstruction, but additional treatments were required before the patients became entirely asymptomatic.

CONCLUSION: Metallic stents may represent an effective temporary treatment for certain benign colonic conditions in the absence of other therapeutic alternatives.

© RSNA, 2002

Index terms: Colon, CT, 75.12111 • Colon, diseases, 75.273, 75.458, 75.791, 75.792 • Colon, radiography, 75.1283 • Colon, stenosis or obstruction, 75.458, 75.791, 75.792 • Colon, surgery, 75.245, 75.256, 75.458 • Stents and prostheses, 75.1289