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Related Experiment Videos

Computed tomography colonography (virtual colonoscopy): review.

Richard M Mendelson1, Geoffrey M Forbes

  • 1Royal Perth Hospital, Western Australia, Australia. richard.mendelson@health.wa.gov.au

Australasian Radiology
|April 23, 2002
PubMed
Summary
This summary is machine-generated.

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Computed tomography colonography (CTC), also known as virtual colonoscopy (VC), is a new imaging technique. If proven safe, affordable, and accurate, CTC/VC could revolutionize colorectal cancer screening.

Area of Science:

  • Radiology
  • Medical Imaging
  • Gastroenterology

Background:

  • Computed tomography (CT) examination of the colon has multiple names, including CT colonography (CTC) and virtual colonoscopy (VC).
  • The term 'virtual colonoscopy' is often used for examining 3-D simulated endoluminal images with navigation capabilities.
  • CT colonography is favored by radiologists, while 'virtual colonoscopy' is popular among non-radiologists due to its high-tech appeal.

Purpose of the Study:

  • To introduce and define CT colonography (CTC) and virtual colonoscopy (VC).
  • To highlight the technological advancements enabling these techniques.
  • To discuss the potential of CTC/VC as a diagnostic and screening tool for colorectal neoplasia.

Main Methods:

  • Utilizes fast helical CT scanners for rapid data acquisition.

Related Experiment Videos

  • Employs proprietary software for multiplanar reformatting and 3-D endoluminal reconstructions.
  • Involves bowel cleansing and distension of the colon with gas.

    • Main Results:

    • The advent of fast helical CT scanners and advanced software has made CTC/VC possible.
    • The technique allows for detailed visualization and navigation of the colon's interior.
    • Potential for colorectal neoplasia diagnosis and screening is significant.

    Conclusions:

    • CT colonography (CTC)/virtual colonoscopy (VC) represents a significant advancement in colonic imaging.
    • Patient acceptability, safety, affordability, and accuracy are key factors for its widespread adoption.
    • CTC/VC holds enormous potential as a screening and diagnostic tool for colorectal neoplasia.