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Consider colonoscopy for young patients with hematochezia

Robert F Wong1, Rajan Khosla, John H Moore

  • 1Division of Gastroenterology, 4R-118 SOM, University of Utah Medical Center, 50 North Medical Drive, Salt Lake City, UT 84132, USA.

The Journal of Family Practice
|November 6, 2004
PubMed

Insights

Colon neoplasms can occur in adults under 50 with rectal bleeding. Complete colonoscopy is recommended for this demographic, even with non-urgent symptoms, as findings can include cancer and adenomas.

Area of Science:

  • Gastroenterology
  • Colorectal Surgery
  • Diagnostic Endoscopy

Background:

  • Rectal bleeding (hematochezia) is a frequent concern in adults under 50.
  • Previous research on lower endoscopy for rectal bleeding often excluded younger demographics or lacked lesion localization.
  • Limited data exists on the specific findings of complete colonoscopy in this age group.

Purpose of the Study:

  • To investigate the diagnostic yield of complete colonoscopy in patients under 50 presenting with rectal bleeding.
  • To identify the prevalence and location of colorectal lesions in younger adults with hematochezia.

Main Methods:

  • Retrospective analysis of medical records for 223 patients under 50 with rectal bleeding who underwent colonoscopy.
  • Data collection included demographics, indications, endoscopic findings, and histology.
  • Lesion location was categorized as proximal or distal to the splenic flexure; specific exclusion criteria were applied.

Main Results:

  • Colonoscopy revealed normal findings in 21.5% of patients.
  • Colorectal cancer was diagnosed in 1.8% (distal colon), and adenomas in 9.9%.
  • Hemorrhoids were the most common finding (60.5%), followed by colitis, angiodysplasia, diverticulosis, anal fissures, and rectal ulcers.

Conclusions:

  • Colorectal neoplasms, including cancer and adenomas, can be present in younger adults with non-urgent rectal bleeding.
  • While most findings were benign and distal, complete colonoscopy is a crucial diagnostic tool for this population.
  • The study underscores the importance of considering colonoscopy for younger patients experiencing rectal bleeding.
Abstract

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