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目的 探讨肾血管平滑肌脂肪瘤的诊治方法。 方法 总结分析 72例肾血管平滑肌脂肪瘤患者的临床资料。统计学方法采用 χ2 检验。 结果 13例 (18.1% )术前误诊。诊断正确率B超为 73.6 % (5 3/ 72 ) ,CT为 81.9% (5 9/ 72 ) ,两者同时误诊者 10例 (13.9% )。直径 <4cm的肿瘤误诊率高于≥ 4cm者 ,P <0 .0 5。治疗以保留肾单位的手术为主 ,术前选择性动脉栓塞及术中暂时阻断肾动脉可显著减少出血。 结论 应提高对肾血管平滑肌脂肪瘤的术前诊断水平 ,采取各种措施保留肾单位。
Objective To investigate the diagnosis and treatment of renal angiomyolipoma. Methods The clinical data of 72 patients with renal angiomyolipoma were analyzed. Statistical methods using χ2 test. Results 13 cases (18.1%) were misdiagnosed preoperatively. The diagnostic accuracy was 73.6% (53/72) for B ultrasound and 81.9% (59/72) for CT, both of which were misdiagnosed in 10 cases (13.9%). The misdiagnosis rate of tumor with diameter <4cm was higher than ≥ 4cm, P <0.05. Treatment to retain the main unit of nephrotic surgery, preoperative selective arterial embolization and intraoperative temporary blocking of renal artery can significantly reduce bleeding. Conclusion The level of preoperative diagnosis of renal angiomyolipoma should be increased, and various measures should be taken to keep the nephron.