Related Experiment Video
Updated: Feb 14, 2026
14:14
Adaptation of Semiautomated Circulating Tumor Cell CTC Assays for Clinical and Preclinical Research Applications
Published on: February 28, 2014
16.3K
CTC technique: methods to ensure an optimal exam
Kevin J Chang1,2, David H Kim3
1Department of Radiology, Newton-Wellesley Hospital, 2014 Washington St., Newton, MA, 02462, USA. Kevin.J.Chang@gmail.com.
Abdominal Radiology (New York)
|February 17, 2018
Summary
Optimizing CT colonography (CTC) technique, including bowel preparation and distension, ensures accuracy comparable to optical colonoscopy. High-quality CTC leads to increased use and referrals for polyp and tumor detection.
Area of Science:
- Medical Imaging
- Gastroenterology
- Radiology
Background:
- CT colonography (CTC) offers comparable accuracy to optical colonoscopy for detecting colorectal polyps and tumors.
- Optimal technique is crucial for achieving high-quality CTC examinations.
- Key factors for high-quality CTC include adequate bowel preparation and colonic distension.
Purpose of the Study:
- To outline strategies for optimizing CT colonography technique.
- To discuss methods for achieving a well-prepared and distended colon for CTC.
- To review CT scan techniques for improved CTC quality.
Main Methods:
- Dietary modifications and bowel preparation protocols.
- Fecal and fluid tagging techniques.
- Strategies for optimal colonic distension.
- Patient positioning and radiation dose optimization in CT scanning.
Main Results:
- Optimized bowel preparation, fecal/fluid tagging, and colonic distension are essential.
- Improved scan techniques enhance CTC quality.
- High-quality CTC examinations are more feasible, interpretable, and reproducible.
Conclusions:
- Properly executed CT colonography achieves accuracy equivalent to optical colonoscopy.
- Enhanced CTC quality facilitates increased utilization and patient referrals.
- Standardizing optimal CTC techniques is key to its broader adoption.
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