Related Experiment Video
Updated: Jun 25, 2026

Evaluation of Colorectal Cancer Risk and Prevalence by Stool DNA Integrity Detection
Published on: June 8, 2020
CT colonography - towards applications for colorectal cancer screening
Gen Iinuma1, Mototaka Miyake, Yasuaki Arai
1Diagnostic Radiology Division, National Cancer Center Central Hospital, Tokyo, Japan. giinuma@ncc.go.jp
Computed tomography colonography (CTC) offers objective 3D imaging for colorectal cancer screening. Advancements in multi-slice CT (MSCT) enhance visualization and detection of colorectal lesions.
Area of Science:
- Medical Imaging
- Radiology
- Oncology
Background:
- Colorectal cancer screening is crucial globally.
- Computed tomography colonography (CTC) is an emerging 3D imaging technique for large intestine examination.
- Multi-slice CT (MSCT) has improved the resolution and diagnostic capabilities of CTC.
Purpose of the Study:
- To highlight the advancements and potential of CTC in colorectal cancer screening.
- To compare CTC with traditional colonoscopy.
- To emphasize the role of MSCT in enhancing CTC's diagnostic performance.
Main Methods:
- Utilizing multi-slice CT (MSCT) for high-resolution 3D imaging of the large intestine.
- Employing computer-aided detection (CAD) algorithms for polyp identification.
- Comparing diagnostic objectivity and reproducibility with colonoscopy.
Main Results:
- CTC provides objective and reproducible diagnostic images, unlike colonoscopy.
- MSCT enhances 3D visualization, improving lesion detection.
- CAD systems are advancing for polyp detection in digital CT data.
Conclusions:
- CTC is a widely accepted diagnostic concept for colorectal lesions.
- MSCT technology facilitates effective 3D visualization and efficient lesion detection.
- CTC holds promise for standardizing colorectal cancer screening protocols.
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...
Endoscopic Procedures II: Colonoscopy
Serum Laboratory Studies, Stool Test, Breath Test
Assessment of the Rectum and Anus
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Imaging Studies for Cardiovascular System V: CT
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
