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[目的]探讨多层螺旋CT动脉造影技术(multislice spiralcomputed tomographic angiography,MSCTA)及其后处理技术对骶骨肿瘤术前评估及临床手术的指导价值。[方法]对12例骨盆肿瘤患者进行薄层扫描,术前评估病变的性质、累及范围、肿瘤的血供状态和肿瘤周围的血管情况。[结果]83.3%的病例术前诊断性质与病理结果一致;81.8%的骶骨破坏情况与手术所见基本一致;72.7%的手术病例肿瘤的血供状态和肿瘤周围的血管情况与手术所见基本一致。[结论]MSCTA及后处理技术在术前能够准确地评估骨盆肿瘤的性质、累及范围、肿瘤的血供和肿瘤周围的血管状况,对选择治疗方案、手术方式及术后重建具有重要意义。
[Objective] To investigate the value of multislice spiral computed tomography angiography (MSCTA) and its post-processing techniques in preoperative assessment and clinical surgery of sacral tumors. [Methods] Twelve cases of pelvic tumor were scanned by thin layer. Preoperative evaluation of the nature and extent of the lesion, the blood supply of the tumor and the blood vessels around the tumor. [Results] 83.3% of the cases had the same preoperative diagnosis as the pathological findings, 81.8% of the sacral injuries were basically consistent with those seen in the surgeries, and 72.7% of the surgeries had blood supply status and peripheral blood vessels, Consistent. [Conclusion] MSCTA and postprocessing techniques can accurately evaluate the nature and extent of pelvic tumor before operation, the blood supply of the tumor and the blood vessels around the tumor. It is of great significance for the selection of treatment options, surgical approach and postoperative reconstruction.