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Related Experiment Videos

Extracolonic findings at virtual colonoscopy: implications for screening programs.

J T Edwards1, C J Wood, R M Mendelson

  • 1Department of Gastroenterology, Royal Perth Hospital, WA, Australia.

The American Journal of Gastroenterology
|November 6, 2001
PubMed
Summary
This summary is machine-generated.

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Virtual colonoscopy (VC) detects extracolonic pathology in 15% of patients screened for colorectal cancer. While often benign, these findings can incur costs from further investigations and procedures.

Area of Science:

  • Gastroenterology
  • Radiology
  • Oncology

Background:

  • Virtual colonoscopy (VC) is an emerging screening tool for colorectal cancer.
  • VC may identify extracolonic abdominal pathology, distinct from its primary screening purpose.

Purpose of the Study:

  • To determine the prevalence and characteristics of extracolonic pathology detected during VC.
  • To evaluate the clinical impact of incidental extracolonic findings.

Main Methods:

  • 100 patients aged 55+ underwent VC for colorectal cancer screening.
  • A radiologist prospectively reviewed abdominal CT scans for extracolonic abnormalities.
  • Subsequent investigations and outcomes for patients with new findings were documented.

Main Results:

Related Experiment Videos

  • 15% of patients (15/100) had extracolonic abnormalities.
  • Eleven new abnormalities were detected, including ovarian cysts, liver cysts, uterine fibroids, gallstones, splenic calcifications, aortic aneurysm, and a renal tumor.
  • Two patients with ovarian cysts underwent surgery, confirming benign pathology.

Conclusions:

  • Extracolonic abnormalities are frequently identified during VC.
  • Most detected abnormalities are benign but can lead to additional costs for investigations.
  • Findings necessitate careful consideration in cost-effectiveness analyses of VC for colorectal cancer screening.