Related Experiment Video
Updated: May 16, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
Cost-effectiveness of CT colonography
Cesare Hassan1, Perry J Pickhardt
1Digestive Endoscopy Unit, Nuovo Regina Margherita Hospital, Roma 00153, Italy. cesareh@hotmail.com
Computed tomography colonography (CTC) significantly reduces colorectal cancer (CRC) incidence and mortality. Simulation modeling shows CTC is cost-effective compared to no screening, with potential to be cost-effective versus colonoscopy.
Area of Science:
- Medical Imaging
- Public Health
- Health Economics
Background:
- Colorectal cancer (CRC) screening is crucial for reducing incidence and mortality.
- Computed tomography colonography (CTC) is an emerging screening tool with demonstrated effectiveness.
- Variability in CTC's long-term impact necessitates further analysis.
Purpose of the Study:
- To evaluate the long-term efficacy and cost-effectiveness of CTC for CRC screening.
- To identify factors influencing CTC's performance and cost-effectiveness.
- To compare CTC's cost-effectiveness against no screening and colonoscopy.
Main Methods:
- Extensive application of simulation modeling.
- Analysis of CRC incidence and mortality reduction data.
- Cost-effectiveness analysis comparing CTC with alternative screening strategies.
Main Results:
- CTC effectively reduces CRC incidence (40%-77%) and mortality (58%-84%).
- CTC is cost-effective compared to no screening.
- CTC can be cost-effective relative to colonoscopy if attendance rates increase or costs decrease.
Conclusions:
- Simulation modeling supports CTC as an effective CRC screening tool.
- CTC presents an attractive option, particularly when compared to no screening.
- Wider utilization and reimbursement can enhance CTC's cost-effectiveness relative to colonoscopy.
More Related Videos
Related Concept Videos
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Imaging Studies for Cardiovascular System V: CT
Imaging Studies III: Computed Tomography
Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
Computed Tomography
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Radiological Investigation I: X-ray and CT

