Comparison of polyp detection rate and pathology results on repeat colonoscopies in patients undergoing colonoscopic polypectomy

INTRODUCTION: Adenomatous colon polyps are important precancerous lesions. Important clinical questions include how patient follow-up should be conducted after the detection of adenomas and which risk factors increase the likelihood of adenoma development. The aim of this study was to compare the pathology results of repeat colonoscopies with those of the initial procedure and to identify risk factors for adenoma development by evaluating patients who underwent polypectomy in the general population, including those in whom adenomas were detected during both colonoscopies.
METHODS: Adenomatous colon polyps are important precancerous lesions. Important clinical questions include how patient follow-up should be conducted after the detection of adenomas and which risk factors increase the likelihood of adenoma development. The aim of this study was to compare the pathology results of repeat colonoscopies with those of the initial procedure and to identify risk factors for adenoma development by evaluating patients who underwent polypectomy in the general population, including those in whom adenomas were detected during both colonoscopies.
RESULTS: The probability of detecting adenomas in a subsequent colonoscopy was significantly higher in patients in whom adenomas were detected during the first colonoscopy compared with those in whom no adenomas were found initially (Z-test, p<0.05). It was also observed that patients in whom a polyp larger than 1 cm was detected during the first colonoscopy had a higher probability of adenoma detection in the second colonoscopy (Chi-square test, p<0.05).
DISCUSSION AND CONCLUSION: Conclusion, a second colonoscopy is recommended for follow-up in patients in whom adenomas or polyps larger than 1 cm are detected during the initial colonoscopy.

Keywords: Polypectomy, colonoscopy, adenoma, risk factorsPolypectomy, colonoscopy, adenoma, risk factors

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