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Initial experience with a general population colorectal cancer screening clinic
Daniel Brosseuk1, Jean Oosthuizen, Melanie Pinchbeck
1Department of Surgery, Cariboo Memorial Hospital, 401-517 N. 6th Ave., Williams Lake, British Columbia, Canada, V2G 2G8. danbrosseuk@telus.net
American Journal of Surgery
|May 2, 2006
Summary
A pilot colorectal cancer screening clinic found 18% of low-risk patients had neoplasms, including 1% with early-stage, curable cancers. This highlights the effectiveness of endoscopic screening for preventing advanced colorectal cancer.
Area of Science:
- Gastroenterology
- Oncology
- Preventative Medicine
Background:
- Colorectal cancer is a preventable malignancy due to the adenoma-carcinoma progression.
- Endoscopic screening is ideal for early detection of precursor lesions.
- A pilot low-risk endoscopic screening clinic was established to evaluate its effectiveness.
Purpose of the Study:
- To establish and evaluate the initial outcomes of a pilot low-risk colorectal cancer endoscopic screening clinic.
- To analyze the prevalence and characteristics of neoplasms found in a low-risk screening population.
Main Methods:
- Retrospective chart review of patients referred to a new low-risk colorectal cancer endoscopic screening clinic.
- Analysis of patient demographics, screening procedures (flexible sigmoidoscopy, colonoscopy), and pathological findings.
- Further investigation of neoplasm location and pathology in patients with adenomas or carcinomas.
Main Results:
- 379 low-risk patients (age 50-86) were screened.
- 152 patients had polyps removed; 63 had adenomas, 3 had adenocarcinomas, and 1 had a carcinoid.
- Of 67 patients with neoplasms, 18% were identified, with 1% having curable early-stage colorectal cancer.
Conclusions:
- The pilot low-risk colorectal cancer endoscopic screening clinic identified a significant percentage of neoplasms.
- 1% of screened low-risk patients had curable early-stage colorectal cancer.
- Endoscopic screening is effective in detecting precursor lesions and early-stage cancers in a general population.