The researchers divided their cohort into two groups: 38 patients received a water enema, and 38 underwent room-air insufflation. After insufflation with air or water, patients were imaged with MDCT.

 
  • 研究人员将患者均分成两组,一半患者接受水灌肠,另一半则采取室内空气注入对比。注入水或空气后患者行螺旋扫描成像。
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