CAJ | 학술논문

目的：探讨双源螺旋CT增强扫描、多平面( MPR)在胃癌诊断中的临床应用价值。方法回顾性分析335例病理诊断为胃癌的患者资料,所有患者明确病理诊断前在低张状态下行双源螺旋CT上腹部增强扫描检查,应用多平面重建技术对所得CT增强薄层数据进行多方向的多平面重建。结果335例病例中,单纯轴位数据检出288例,检出率为86.0%；应用多平面重建数据检出320例,检出率为95.5%,两者检出率有显著差异(P<0.05)。常规轴位与 MPR图像的术前 T分期总体准确率分别为78.3%与89.1%,差异具有显著性意义；2种方法的术前N分期总体准确率分别为73.6%与82.3%,M分期检出率无明显差异。结论应用双源螺旋CT增强多平面重建能显著提高胃癌的检出率,对胃癌术前TNM分期的平均准确率84.6%。
목적：탐토쌍원라선CT증강소묘、다평면( MPR)재위암진단중적림상응용개치。방법회고성분석335례병리진단위위암적환자자료,소유환자명학병리진단전재저장상태하행쌍원라선CT상복부증강소묘검사,응용다평면중건기술대소득CT증강박층수거진행다방향적다평면중건。결과335례병례중,단순축위수거검출288례,검출솔위86.0%；응용다평면중건수거검출320례,검출솔위95.5%,량자검출솔유현저차이(P<0.05)。상규축위여 MPR도상적술전 T분기총체준학솔분별위78.3%여89.1%,차이구유현저성의의；2충방법적술전N분기총체준학솔분별위73.6%여82.3%,M분기검출솔무명현차이。결론응용쌍원라선CT증강다평면중건능현저제고위암적검출솔,대위암술전TNM분기적평균준학솔84.6%。
Objective To discuss the clinical application and value of dual-source spiral CT enhanced scan and multiplanar reformatting ( MPR) in the diagnosis of gastric cancer. Methods The 335 patients with gastric cancer who conducted dual-source spiral CT enhanced scan of upper abdomen under the hypotonic state before the definite pathological diagnosis were retrospectively analyzed,and had multi-di-mensional multiplanar reconstruction for the enhanced thin-section CT data by the multiplanar reformatting technique. Results Of 335 ca-ses,288 cases were detected by simple axial data,the detection rate was 86. 0%,320 cases were detected by MPR,the detection rate was 95. 5%,the differences were statistically significant (P<0. 05). The overall accuracy rate of Preoperative T staging by conventional axial and MPR images were 78. 3% and 89. 1% respectively, the difference was statistically significant. The overall accuracy rate of preoperative N staging by two methods were 73. 6% and 82. 3%,respectively,the difference was not significant. Conclusion Application of dual source spiral CT multiplanar reconstruction can significantly improve the detection rate of gastric cancer,and the average accuracy rate of preopera-tive TNM staging for gastric cancer is 84. 6%.