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在数字减影血管造影（DSA）条件下采用Seldinger技术对9例肾错构瘤患者进行超选择性介入治疗，即在明确病变部位供血动脉后，超选择将导管尖端置入靶血管，最后给予无水乙醇及明胶海绵进行介入性栓塞治疗，使错构瘤组织完全灭活坏死。结果疗效良好，无严重并发症发生，仅有患侧肋腹部疼痛、腹胀3～5d。认为在DSA条件下进行超选择性介入治疗，可最大限度地保护正常肾组织，减少肾内靶血管以外正常血管的误栓机率，提高疗效。
In the digital subtraction angiography (DSA) conditions using Seldinger technology in 9 cases of renal hamartoma patients with ultra-selective interventional treatment, that is clear in the lesion site feeding artery, the catheter tip into the target vessel by superselective, and finally given Anhydrous ethanol and gelatin sponge for interventional embolization treatment, the hamartoma tissue completely inactivated necrosis. The results of good efficacy, no serious complications, only the affected side rib abdominal pain, abdominal distension 3 ~ 5d. That DSA conditions in the super-selective intervention can maximize the protection of normal kidney tissue, reduce the risk of misdiagnosis of normal blood vessels outside the target vessel in the kidney and improve the curative effect.