Comparison of Capability of Abdominal 320-Detector Row CT and of 16-Detector Row CT for Small Vasculature Assessment
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概要
- 論文の詳細を見る
The purpose of our study was to compare the capability of the 320-detector row CT(area-detector CT: ADCT) using the step-and-shoot scan protocol for small abdominalvasculature assessment with that of the 16-detector row CT using the helical scanprotocol. Contrast-enhanced abdominal CT for preoperative assessment wasadministered to 25 patients, 18 of whom, suspected of having lung cancer, underwentADCT using the step-and-shoot scan protocol, while the remaining 7, suspected ofhaving renal cell carcinoma, underwent 16-MDCT using the helical scan protocol. Twoexperienced abdominal radiologists independently assessed renal interlobar andarcuate as well as mesenteric marginal (Griffith point) arteries by means of a 5-pointvisual scoring systems. Kappa analysis was used for evaluation of interobserveragreement. To compare the visualization capability of the two systems, the scores foreach of the arteries were compared by using the Mann-Whitney U-test. Overallinterobserver agreements for both systems were almost perfect (κ>0.78). Visualizationscores for renal interlobar and arcuate, (p<0.0001) and mesenteric marginal (Griffithpoint) arteries (p<0.05) were significantly higher for ADCT than for 16-detector rowCT. ADCT using the step-and-shoot scan protocol for small abdominal vasculatureassessment can be considered superior to 16-detector row CT using the helical scanprotocol.
- 神戸大学の論文
- 2010-00-00
著者
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KITAJIMA Kazuhiro
Department of Chemical Science and Engineering, Kobe University
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Sugihara Ryo
Department Of Electronic Engineering Institute Of Vocational Training
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Ohno Yoshiharu
Department Of Radiology Kobe University Graduate School Of Medicine
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Takenaka Daisuke
Department Of Radiology Kobe University Graduate School Of Medicine
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Yoshikawa Takeshi
Department Of Biochemistry And Technology Of Aquatic Resources Faculty Of Fisheries Kagoshima Univer
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Maeda Tetsuo
Department Of General Medicine Kanazawa University Hospital
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SUGIMURA Kazuro
Department of Biomedical Informatics, Division of Radiology, Kobe University Graduate School of Medicine
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Konishi Minoru
Division of Radiology, Kobe University Hospital
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Kanata Naoki
Department of Radiology, Kobe University Graduate School of Medicine
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Kanda Tomonori
Department of Radiology, Kobe University Graduate School of Medicine
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Koyama Hisanobu
Department of Radiology, Kobe University Graduate School of Medicine
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Yoshikawa Takeshi
Department of Radiology, Kobe University Graduate School of Medicine
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