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Related Experiment Videos

Colon adenomas in patients with hyperplastic polyps.

D Provenzale1, Z Z Martin, K L Holland

  • 1Division of Digestive Diseases and Nutrition, University of North Carolina, Chapel Hill 27599-7080.

Journal of Clinical Gastroenterology
|February 1, 1988
PubMed
Summary
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Patients with hyperplastic polyps often have adenomas, suggesting these polyps may indicate a need for colonoscopy. Finding hyperplastic polyps in the rectosigmoid could signal a higher risk of proximal adenomas.

Area of Science:

  • Gastroenterology
  • Colorectal Cancer Screening
  • Pathology

Background:

  • Hyperplastic polyps were traditionally considered benign.
  • Emerging evidence suggests a potential association between hyperplastic polyps and adenomas.

Purpose of the Study:

  • To investigate if hyperplastic polyps can serve as a marker for identifying patients who may benefit from colonoscopy.
  • To determine the association between hyperplastic polyps and the presence of adenomas.

Main Methods:

  • Retrospective review of 1,588 colonoscopy reports and 1,407 patient charts.
  • Analysis of patient data from May 1983 to August 1985.
  • Comparison of adenoma prevalence in patients with and without hyperplastic polyps.

Main Results:

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  • 93.6% of patients with hyperplastic polyps also had adenomas, compared to 35.7% without (p < 0.001).
  • Patients with hyperplastic polyps had a higher incidence of proximal adenomas (61.7%) versus those without (25.3%) (p < 0.001).
  • Rectosigmoid hyperplastic polyps were strongly associated with proximal adenomas (64.7% vs. 29.4%, p < 0.001).

Conclusions:

  • Hyperplastic polyps are significantly associated with the presence of adenomas.
  • The presence of rectosigmoid hyperplastic polyps may indicate a higher likelihood of proximal adenomas.
  • Further research is warranted to confirm if hyperplastic polyps justify full colonoscopy for at-risk patients.