Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Multi-slice CT-colonography in low-dose technique--Preliminary results.

M Cohnen1, C Vogt, V Aurich

  • 1Institute of Diagnostic Radiology, University Hospital, Düsseldorf, Germany. cohnen@uni-duesseldorf.de

Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|July 9, 2002
PubMed
Summary

Low-dose multi-slice CT-colonography (MSCTC) offers comparable results to standard-dose MSCTC for detecting colorectal lesions. This reduced radiation technique effectively identifies polyps larger than 5 mm, enhancing patient safety.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Isotopic, geophysical and biogeochemical investigation of submarine groundwater discharge: IAEA-UNESCO intercomparison exercise at Mauritius Island.

Journal of environmental radioactivity·2011
Same author

[What is your diagnosis? Alcohol-induced osteonecrosis of the femoral head].

Praxis·2011
Same author

An siRNA screen identifies transmembrane 7 superfamily member 3 (TM7SF3), a seven transmembrane orphan receptor, as an inhibitor of cytokine-induced death of pancreatic beta cells.

Diabetologia·2011
Same author

Complex mammary adenoma with sebaceous differentiation in a dog.

Journal of comparative pathology·2011
Same author

The Influence of Artificially Induced Fever Upon Syphilitic Infection of Mice.

The British journal of venereal diseases·2011
Same author

Highly coherent terahertz wave generation with a dual-frequency Brillouin fiber laser and a 1.55 μm photomixer.

Optics letters·2011

Area of Science:

  • Radiology
  • Gastroenterology
  • Medical Imaging

Background:

  • Conventional colonoscopy (CC) is the standard for colorectal lesion detection.
  • Multi-Slice CT-colonography (MSCTC) offers an alternative imaging modality.
  • Assessing low-dose MSCTC is crucial for reducing radiation exposure.

Purpose of the Study:

  • To evaluate the efficacy of low-dose MSCTC compared to standard-dose MSCTC.
  • To compare MSCTC techniques against conventional colonoscopy (CC).
  • To determine the detection rates of colorectal lesions using different MSCTC protocols.

Main Methods:

  • 28 men and 24 women underwent MSCTC (standard and low-dose) followed by CC.
  • Standard MSCTC used 120 mAs; low-dose used 10 mAs.

Related Experiment Videos

  • Images were processed with noise reduction software and analyzed by blinded readers.

    • Main Results:

    • Low-dose MSCTC achieved effective doses of 0.75-1 mSv, a 12-fold reduction.
    • Detection rates for lesions >5mm were over 90% with noise reduction.
    • Overall sensitivity was 78% and specificity 68%, with more false positives for small lesions.

    Conclusions:

    • Low-dose MSCTC performs comparably to standard-dose MSCTC.
    • Mathematical noise reduction significantly improves detection of larger polyps.
    • Low-dose MSCTC is a viable alternative to standard-dose imaging with reduced radiation exposure.