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目的探讨多层螺旋CT血管成像(MSCTA)在肾动脉瘤(renal artery aneurysms,RAA)诊断中的应用价值。资料与方法根据肾动脉局限性膨大1.5倍或以上并与正常肾动脉节段间界限分明诊断RAA,回顾性分析14例RAA患者的MSCTA表现。结果 14例共检出RAA 15个,瘤体大小5 mm×6 mm～26 mm×33 mm。其中2个位于肾动脉主干,11个位于一级分支,2个位于二级及以下分支;1例为多发,其余13例均为单发;8个有明显瘤体钙化,4个可见血栓形成,1例因瘤体破裂伴有肾周积血。结论 MSCTA能为RAA的临床诊断和治疗提供有价值的信息,可作为RAA诊断的首选影像学方法。
Objective To investigate the value of multislice CT angiography (MSCTA) in the diagnosis of renal artery aneurysms (RAA). Materials and Methods According to the limitations of renal artery enlargement of 1.5 times or more and with normal renal artery segmental boundaries between the clear diagnosis of RAA, a retrospective analysis of 14 patients with RAA MSCTA manifestations. Results A total of 15 RAAs were detected in 14 cases. The tumor size was 5 mm × 6 mm ~ 26 mm × 33 mm. Two of them were located in the trunk of the renal artery, 11 in the first grade and two in the second grade and below; one was multiple and the remaining 13 were single; eight had obvious tumor calcification and four were visible thrombosis , 1 case of renal hemorrhage due to rupture of the tumor. Conclusion MSCTA can provide valuable information for the clinical diagnosis and treatment of RAA, and can be used as the imaging method of choice for RAA.