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目的:评估肾血管平滑肌脂肪瘤的螺旋CT诊断价值。方法:回顾分析13例肾血管平滑肌脂肪瘤的螺旋CT影像特征。结果:13例肾血管平滑肌脂肪瘤均含脂肪成分,全部或部分局限在肾实质。单侧10例,双侧3例。单侧多发1例,双侧多发1例。12例边界清楚,1例破裂出血呈边界不清。肿瘤最大者15cm×20cm×22cm,最小者0.7cm×0.5cm×1cm。CT诊断率为100%(13/13)。结论:螺旋CT能准确诊断肾血管平滑肌脂肪瘤,并清楚显示肿瘤的脂肪、血管和平滑肌成分,为临床治疗提供可靠信息。
Objective: To evaluate the value of spiral CT in the diagnosis of renal angiomyolipoma. Methods: The CT features of 13 cases of renal angiomyolipoma were analyzed retrospectively. Results: All 13 cases of renal angiomyolipoma contained fat composition, all or part of the confinement in renal parenchyma. Unilateral in 10 cases, bilateral in 3 cases. One case of multiple unilateral, multiple bilateral in 1 case. 12 cases of clear border, a case of rupture bleeding border was unclear. The largest tumor 15cm × 20cm × 22cm, the smallest 0.7cm × 0.5cm × 1cm. CT diagnostic rate was 100% (13/13). Conclusion: Spiral CT can accurately diagnose renal angiomyolipoma, and clearly show the components of the tumor fat, blood vessels and smooth muscle, providing reliable information for clinical treatment.