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Pediatric musculoskeletal computed radiography
S R Kottamasu1, L R Kuhns, D A Stringer
1Department of Pediatric Imaging, Children's Hospital of Michigan, 3901 Beaubien Boulevard, Detroit, MI 48201-2196, USA.
Pediatric Radiology
|July 1, 1997
Summary
Computed radiography (CR) offers advantages in pediatric musculoskeletal imaging, including reduced radiation dose and improved image quality. However, it requires careful technique selection and has a learning curve.
Area of Science:
- Radiology
- Medical Imaging
- Pediatric Imaging
Background:
- Computed radiography (CR) uncouples image detection and display functions, unlike conventional film-screen systems.
- CR utilizes storage phosphor plates instead of film for image capture.
Purpose of the Study:
- To review the fundamental concepts of CR.
- To establish a foundation for discussing CR's pediatric musculoskeletal applications.
Main Methods:
- Review of literature.
- Analysis of 4 years of experience with pediatric musculoskeletal CR.
Main Results:
- CR exhibits greater scatter capture than film-screen systems in the 70-120 kVp range due to barium fluorohalide properties.
- An air gap technique in pediatric musculoskeletal imaging with CR reduces scatter-to-primary ratio and improves sharpness without increasing skin dose.
- Optimal CR processing requires pre-programming for specific anatomical regions, projections, and pediatric age groups.
Conclusions:
- CR offers reduced radiation dose, enhanced contrast resolution, and minimized repeat radiographs in pediatric musculoskeletal imaging.
- Digital capabilities of CR facilitate image enhancement, storage, retrieval, display, and transmission.
- Limitations of CR include initial cost, a learning curve for optimal image production, and reduced spatial resolution.