双源CT双能量肺灌注成像技术在诊断急性肺动脉栓塞中的价值  

Value of dual energy CT lung perfusion imaging in diagnosis of patients with acute pulmonary embolism

作　　者：汪立峰 戴鸿志 沈莉 计一丁 施蒋巍 丁宁 王进进 

机构地区：[1]苏州吴江区第一人民医院影像科江苏苏州215200

出　　处：《特别健康（下）》2014年第3期13-14,共2页SPECIAL HEALTH

摘　　要：目的：探讨双源CT肺灌注成像（DEPI）技术诊断急性肺动脉栓塞的价值。方法：11例意性肺动脉栓塞患者应用双谅CT进行肺动脉成像（CTPA）扫描．所得扫描图像经采用Lung PBV软件处理得到CTPA、DEPI图像及两种能量成像的融合图像，将CTPA上所示肺动脉内栓子的数量、位置与相应肺叶、肺段、肺亚段组织灌注状态相对照。结果：CTPA共检出16个肺叶、36肺段内有栓子存在。在肺叶基础上．DEPI检出灌注缺损或降低14个，符合率为87．5．％;在肺段基础上,DEPI检出30个．符合率为83．3％。结论：DEPI与CTPA诊断PE具有较好的一致性。两者联合起来有助于提高急性肺动脉栓塞诊断率。Objective：puepose： to assess the diagnostic value of dual source CT dual energy per fusion imaging （DEPI） for pulmonary embolism. Methods： eleven consecutive patients with acute pulmonary embolism underwent dual energy imaging , the images were evaluated with lung PBV software on the workstation, after CT pulmonary angiography （CTPA） , DEPI and fusion image were obtained. The number and location of PE in DEP I and CTPA were recorded and analyzed. Results： sixteen branches and thirtysix subbranches were involved with pulmonary embolism. The 87.5. % ,83.3 % agreement between DEPI and CTPA were showed in the levels of lung and partial lung respectively. Conclusion：PE was diagnosis by t between the CTPA and DEPI is same. The combination of CTPA and DEPI will offer more information for diagnosis of the acute pulmonary embolism.

关 键 词：双源CT 肺灌注扫描 血管造影术 肺动脉栓塞 

分 类 号：R445.9[医药卫生—影像医学与核医学]