Diagnostic Value of Post-processing Technology of Multi-slice Spiral CT Image for Pulmonary Sequestration
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摘要: 目的:探讨多层螺旋CT后处理技术在肺隔离症诊断中的应用价值。方法:对13例经手术及病理证实的肺隔离症进行回顾性分析。所有检查采用64排螺旋CT扫描机,先行CT平扫,再行双期增强扫描,然后再行多平面重建(MPR),最大密度投影(MIP)及容积再现(VR)。结果:13例肺隔离症患者中,10例的病灶位于左下叶后基底段,3例的病灶位于右下叶后基底段,病灶CT平扫表现为分叶形3例,圆形或卵圆形3例,不规则形7例。增强及重建后13例均显示异常供血动脉。其中异常体动脉供血有9例来自胸主动脉,4例来自腹主动脉。结论:多层螺旋CT及图像后处理技术能准确显示异常动脉血供和引流静脉,在肺隔离症的诊断和术前评估中具有重大价值。Abstract: Objective: To investigate the multi-slice CT reconstruction techniques in the diagnosis of pulmonary sequestration value to evaluate it for the role of the clinical diagnosis of pulmonary sequestration. Method: By surgery and pathology confirmed 13 cases of pulmonary sequestration were retrospectively analyzed. All checks with GE lightspeed 64-slice spiral CT Scanner, the first CT scan, the line dual-phase enhanced scan, the scan line after the end of the multi-planar reconstruction(MPR), maximum intensity projection(MIP) and volume rendering image(VR). Results: 13 cases of pulmonary sequestration patients, 10 cases of lesions located in the left lower lobe basal segment, 3 cases of lesions located in the lower lobe basal segment, after the abnormal body from 9 cases of thoracic aortic artery, 4 cases of abdominal aorta. CT scan of leaf shape(3 cases), circular or ovoid in 3,7 cases of irregular shape. Enhancement and reconstruction after 13 cases showed abnormal blood flow in arteries. Conclusion: Multislice CT and reconstruction techniques can accurately display abnormal arterial blood supply and venous return, in the isolated pulmonary sequestration has significant value in diagnosis and preoperative assessment.
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Keywords:
- pulmonary sequestration /
- MSCT /
- reconstruction tec-hniques
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期刊类型引用(4)
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