【摘要】 目的 探讨多层螺旋CT及图像后处理技术在穿孔性阑尾炎诊断中的价值。方法 36例穿孔性阑尾炎的病人行多层螺旋CT检查,并经工作站进行多层面重组(multiplanar reconstruction,MPR)、曲面重组(Curved planar reformation,CPR),分析其CT表现并与手术病理结果对照。结果 穿孔性阑尾炎CT征象有:阑尾周围脓肿27例;阑尾腔外积气7例;阑尾腔外结石9例,均与阑尾周围脓肿或阑尾腔外积气并存;蜂窝织炎5例;阑尾壁局限性缺损1例。多层螺旋CT对穿孔性阑尾炎诊断准确率为92%。结论 多层螺旋CT及图像后处理技术能多方位显示阑尾及其周围的病变,提高穿孔性阑尾炎术前诊断准确率。更多还原

【Abstract】 Objective To evaluate the value of multi-slice spiral CT(MSCT) in the diagnosis of perforated appendicitis.Methods36 patients with perforated appendicitis underwent preoperative contrast-enhanced MSCT.Images were transferred to the workstation and then processed with multiplanar reconstruction(MPR),curved planar reformation(CPR).CT manifestations were analysed and compared with surgical and pathological findings.Results CT manifestations of the perforated appendicitis included abscess in 27cases,extraluminal air in 7cases,extraluminal appendicolith in 9 cases,phlegmon in 5 cases and defect in enhancing appendiceal wall in one case.The accuracy of MSCT in diagnosis of perforated appendicitis was 92%.Conclusion MSCT can provide an advantage of showing the appendix multi-directionally that can improve the diagnostic accuracy of perforated appendicitis.更多还原