| Clinical Significance of Colonoscopy in Patients with Benign Anorectal Disease. |
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Kim, Kyung Bo , Park, Hyun Chul , Oh, Jae Hwan |
1Department of Surgery, Gachon Medical School, Gil Medical Center, Inchon, Korea. jayoh@ghil.com
2Department of Gastroenterology, Gachon Medical School, Gil Medical Center, Inchon, Korea. |
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| Abstract |
PURPOSE
Benign anorectal disease will often cause great concern to the patient and the practitioner about a more proximal colon pathology. The aim of this study is to evaluate the significance of routine colonoscopy for patients with benign anorectal disease.
METHODS
A retrospective analysis of 108 patients with benign anorectal disease who had undergone colonoscopic examination from April 1997 to August 1998 at Gil Medical Center was done.
RESULTS
The mean age of all patients was 43 years; the male-to-female ratio was 1:1.1. The diagnoses of anorectal disease were hemorrhoids in 84 cases, anal fissures in 13 cases, chronic anal pain syndrome in 6 cases, anorectal fistulas in 5 cases, and other in 9 cases. There were 37 patients (34.3%) with 53 abnormal findings:14 tubular adenomas, 11 inflammatory polyps, 4 hyperplastic polyps, 1 tuberculous colitis, 1 angiodysplasia, 6 diverticula, 6 nonspecific ileitis or colitis, 2 melanosis coli, 2 rectal ulcers, 2 ileal ulcers, and 3 other diseases. Among them, clinically significant lesions, such as neoplastic lesion, tuberculous colitis and angiodysplasia, were detected in 12 patients (11.1%). Because the lesions in 7 patients of the 12 patients were within the reach of sigmoidoscopy, only 5 patients (4.6%) needed a colonoscopic examination. In regard to neoplasms, patients presenting with anal bleeding and old age were not found to have a higher frequency of neoplasia.
Also, the specific type of anorectal disease was not associated with an increased risk for colorectal neoplasia (P>0.05).
CONCLUSIONS
Sigmoidoscopy is a more acceptable primary diagnostic tool in patients with benign anorectal disease, but in patients with gastrointestinal symptoms, a high risk for colorectal cancer, suspicious inflammatory bowel disease, or fear of cancer, selective colonoscopy will be needed. |
| Key Words:
Benign anorectal disease; Colonoscopy |
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