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目的:探讨多层螺旋CT(MSCT)多平面重建(MPR)和曲面重建(CPR)技术在结直肠癌诊断中的临床应用价值。材料与方法:回顾分析36例经过手术证实的结直肠癌病例,术前均进行MSCT平扫及增强扫描,并均行多平面重建和沿病变长径的曲面重建。将CT显示的影像特征与手术证实的结果进行对比分析。结果:浆膜层浸润准确率93.1%(27/29),淋巴结转移准确率83.3%(5/6),远处脏器转移准确率60.0%(3/5),显示肿块准确率100.0%(36/36),显示肿瘤供血准确率100.0%(23/23)。结论:采用MSCT多平面和曲面重建可以更好的显示病灶及病灶与周围脏器的关系,为外科手术治疗提供独特的信息。
Objective: To investigate the clinical value of multi-slice spiral CT (MSCT) multiplanar reconstruction (MPR) and surface reconstruction (CPR) in the diagnosis of colorectal cancer. Materials and Methods: Thirty-six cases of colorectal cancer confirmed by surgery were retrospectively analyzed. MSCT plain scans and enhanced scans were performed preoperatively, and all of them underwent multiplanar reconstruction and reconstruction along the lesion’s long diameter. CT images were compared with the results confirmed by surgery. Results: The accuracy of infiltration of serosal layer was 93.1% (27/29). The accuracy of lymph node metastasis was 83.3% (5/6). The accuracy of distant organ metastasis was 60.0% (3/5). The accuracy rate of tumor was 100.0% ( 36/36), the accuracy of tumor blood supply was 100.0% (23/23). Conclusion: The multi-plane and curved surface reconstruction using MSCT can better show the relationship between lesions and lesions and surrounding organs, providing unique information for surgical treatment.