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Cine viewing of abdominal CT
S Tazawa1, Y Gotoh, S Takahashi
1Department of Radiology, Sendai Shakaihoken Hospital, 3-16-1, Tutumimachi, Aobaku, 981, Sendai, Japan. s-tazawa@pluto.dti.ne.jp
Computer Methods and Programs in Biomedicine
|May 30, 2001
Summary
Cine viewing of abdominal computed tomography (CT) images offers an alternative to traditional film-based viewing. Optimal viewing rates vary, but cine viewing demonstrates comparable diagnostic performance for anatomical structures and enhancement patterns.
Area of Science:
- Radiology
- Medical Imaging
Background:
- Previous studies suggest computed tomography (CT) cine viewing on a cathode ray tube (CRT) display is superior to film-based viewing.
- The optimal application of cine viewing for abdominal CT requires further investigation.
Purpose of the Study:
- To determine the effective use of cine viewing for abdominal CT examinations.
- To establish optimal cine viewing parameters for abdominal CT analysis.
Main Methods:
- Thirty abdominal CT studies, including precontrast and postcontrast phases, were reviewed.
- Cine viewing rates were evaluated from 1 to 6 frames per second.
- Positional sorting of multiphase images was employed to assess enhancement dynamics.
Main Results:
- Optimal cine viewing rates (1-6 frames/second) depend on anatomical complexity, contrast, and slice thickness.
- Individual image review may be necessary for small or intricate structures.
- Positional sorting aids in visualizing dynamic enhancement patterns of abdominal organs.
Conclusions:
- Cine viewing is a viable alternative to film-based viewing for abdominal CT diagnosis.
- No significant differences were observed in anatomical structure detectability or liver/pancreas enhancement conspicuity between cine and film-based viewing.