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目的探讨16排螺旋CT多平面重建在上腹部肿瘤的定位及侵犯范围评估中的应用价值。方法回顾性分析58例上腹部肿块(最大径线在器官外)的16排螺旋CT图像。结果58例上腹部肿块横断面图像准确定位者42例(72.41%),多平面重建图像准确定位者53例(91.38%),二者差异具有显著性(P<0.01)。118个器官组织受侵犯或转移,横断面图像准确判定者66个(55.93%),多平面重建后图像准确判定者87个(73.73%),二者差异具有显著性(P<0.005)。结论16排螺旋CT的多平面重建图像较单纯横断面图像能更准确地对上腹部肿块定位及判断其侵犯范围。
Objective To investigate the value of multislice reconstruction with 16-slice spiral CT in the evaluation of the location and invasion of upper abdominal tumors. Methods A retrospective analysis of 58 cases of upper abdominal mass (maximum diameter line outside the organ) by 16-slice spiral CT images. Results There were 42 cases (72.41%) of the accurate images of 58 cases of upper abdomen masses and 53 cases (91.38%) of the accurate images of multiplanar reconstruction images. The difference was significant (P <0.01). There were 66 cases (55.93%) of cross-sectional images were accurately detected and 87 (73.73%) were accurate images of multi-plane reconstruction. The difference was significant (P <0.005). Conclusion Multi-planar reconstruction images of 16-slice spiral CT can locate the mass of the upper abdomen more accurately than the simple cross-sectional images and determine the extent of invasion.