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Related Experiment Videos

Gender differences in colorectal polyps and tumors.

T M McCashland1, R Brand, E Lyden

  • 1Department of Medicine, University of Nebraska Medical Center, Omaha 68198-3285, USA.

The American Journal of Gastroenterology
|March 31, 2001
PubMed
Summary

Men have a higher risk of colon polyps and tumors, while women show a greater prevalence of right-sided growths. Age significantly increases the risk for both conditions, underscoring the need for regular colonoscopies, especially in older adults.

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Area of Science:

  • Gastroenterology
  • Oncology
  • Epidemiology

Background:

  • Colorectal polyps and tumors represent significant health concerns.
  • Understanding demographic and age-related risk factors is crucial for early detection and prevention.

Purpose of the Study:

  • To investigate gender-based differences in the prevalence and location of colorectal polyps and tumors.
  • To determine if women exhibit a higher incidence of right-sided polyps or tumors.
  • To assess the influence of age on these findings.

Main Methods:

  • Analysis of the national endoscopy database (CORI) from April 1997 to February 1999.
  • Definition of polyps (>9 mm, sessile or pedunculated) and tumors (adenocarcinoma characteristics).
  • Categorization of colon locations: pure right-sided (PRS), right-sided, and left-sided.

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Main Results:

  • Men have a higher risk of polyps (OR, 1.5) and tumors (OR, 1.4) compared to women.
  • The risk of polyps and tumors increases with age, with the highest risk in individuals over 69.
  • Women showed a greater risk for pure right-sided polyps (OR, 1.2) and tumors (OR, 1.6).

Conclusions:

  • Men exhibit a higher overall prevalence of colon polyps and tumors.
  • Age is a significant risk factor, with prevalence increasing progressively.
  • Women have a higher incidence of right-sided polyps and tumors, necessitating targeted screening in the elderly.