JOURNAL OF SHANDONG UNIVERSITY (HEALTH SCIENCES)

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Imaging parameters of multislice spiral CT venography in cerebral veins

JIANG Bao-dong1, MA Xiang-xing2, WANG Qing2, WANG Qian2, FENG Xiao-yuan1, LI Ke1, YU Fu-hua2   

  1. 1. Department of Radiology, Huashan Hospital of Fudan University, Shanghai 200040, China;
    2. Department of Radiology, Qilu Hospital of Shandong University, Jinan 250012, China
  • Received:2008-01-20 Revised:1900-01-01 Online:2008-11-16 Published:2008-11-16
  • Contact: FENG Xiao-yuan

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Abstract: To investigate the optimal delay time and slice thickness of CT venography(CTV) of the head in order to get better images and to improve the diagnosis for cerebral venous system diseases. Methods Plane dynamic enhancement scanning was performed and a timedensity curve of the internal cerebral vein and the superior sagittal sinus was produced at the workstation in order to get the optimal delay time of the cerebral CTV. The data obtained by a scanning thickness of 1.250mm were retrospectively reconstructed with a slice thickness of 0.625mm. ResultsOptimal delay time of CTV in the head was 36s. Quality of images with a slice thickness of 0.625mm was superior to that with a slice thickness of 1.250mm. ConclusionSatisfactory CTV images of the head can be produced with an optimal delay time of 36 s and a slice thickness of 0.625mm.

Key words: Vein, Tomography, Xray computed, Angiography

CLC Number: 

  • R814.42
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