螺旋CT血管成像诊断肺动静脉畸形的价值

目的:探讨多层螺旋CT肺血管成像在肺动静脉畸形(PAVM)中的诊断价值。方法:回顾性分析7例PAVM的多层螺旋CT三维肺血管成像的影像表现,1例为多发,6例单发。2例经手术证实,5例经其他影像学检查方法及随访证实。结果:7例PAVM均清晰显示瘤体形态、大小、位置,以及供血动脉、引流静脉数目、走行、直径。单纯型4例,复杂型2例,弥漫型1例。结论:多层螺旋CT肺血管成像可以明确PAVM的瘤体、供血动脉、引流静脉的空间关系和解剖细节,可作为PAVM的首选检查和随访方法。

Diagnostic value of spiral CT pulmonary angiography in pulmonary arteriovenous malformations

Objective： To evaluate the diagnostic value of multi-slice spiral computed tomography pulmonary angiography for pulmonary arteriovenous malformations（PAVMs）. Methods： The imaging manifestation of multi-slice spiral computed tomography pulmonary angiography for 7 cases with PAVMs were retrospectively reviewed. There were 1 case with multiple lesions and 6 cases with single lesion,2 cases were confirmed by operative pathology,5 cases were diagnosed by other imaging examinations and typical clinical manifestation. Results： Three-dimensional images of all patients could show shape, size and site of tumors,and reveal the number,track and diameter of supplying arteries and draining veins. Seven cases of PAVMs included 4 cases simple types,2 cases complex types and 1 case diffuse type. Conclusion： Multi-slice spiral computed tomography pulmonary angiography of PAVMs can accurately reveal space relationship and anatomical characters of tumor,input arteries and output veins. It should be used as the first choice of the examination and diagnosis for pulmonary arteriovenous malformation.