Conclusion: in spiral ct simulator scan, using overlapping reconstruction with thin slice is advisable in determining gross target volume of tumor.
结论：在螺旋CT模拟扫描中，采用薄层的重叠重建在肿瘤靶区体积的制定中是切实可行的。
Methods 33 patients with bronchiectasis were diagnosed by clinical data and HRCT scan, and scanned using spiral ct at end inspiration and expiration in continuous volume scan mode.
方法对33例临床和HRCT检查确诊的支气管扩张的病人，使用螺旋ct分别进行了不同呼吸时相的连续容积数据模式扫描。
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