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Updated: Jun 17, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Current status of MR colonography.

Eavan Thornton¹, Martina M Morrin, Judy Yee

¹Department of Radiology, Beaumont Hospital, Beaumont, Dublin 9, Ireland. eavanthornton@gmail.com

Radiographics : a Review Publication of the Radiological Society of North America, Inc

|January 20, 2010

Summary

Virtual colonoscopy, including CT and MR colonography, offers alternatives for colorectal cancer screening. While CT colonography is more established, MR colonography

Area of Science:

Medical Imaging
Gastroenterology
Oncology

Background:

The need for effective colorectal cancer screening has driven the development of virtual colonoscopy techniques.
Computed tomographic (CT) colonography and magnetic resonance (MR) colonography are the primary modalities within virtual colonoscopy.

Purpose of the Study:

To compare the suitability of CT colonography and MR colonography for colorectal cancer screening.
To identify the advantages and challenges of each virtual colonoscopy modality.

Main Methods:

Review of published studies comparing CT colonography and MR colonography.
Analysis of factors influencing suitability, including ease of performance, cost, availability, and radiation exposure.

Main Results:

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Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse

Published on: April 17, 2019

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Last Updated: Jun 17, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy

Published on: August 1, 2019

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse

Published on: April 17, 2019

CT colonography is more widely studied and appears more suitable due to speed, cost, resolution, and availability.
MR colonography's key advantage is the absence of ionizing radiation, with potential for broader abdominopelvic screening.

Conclusions:

CT colonography is currently more practical for colorectal cancer screening.
Optimizing MR colonography protocols, addressing technical challenges like artifacts and specific absorption rate, is crucial for its future clinical integration.