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Tumor rupture with hemorrhage is a severe complication of renal angiomyolipoma. Urgent transcatheter arterial embolization is an effective method for the patient suffering from life-threatening hemorrhage due to ruptured angiomyolipoma. Elective surgery has been suggested because of the possibility of rebleeding or abscess formation after embolization. However, it is not easy to perform a nephron-sparing procedure by delayed elective surgery due to severe tissue adhesion after bleeding. Herein, we report 2 cases of ruptured renal angiomyolipoma initially managed with transcatheter arterial embolization. Nephron-sparing surgery was performed a few days after embolization, before tissue adhesion occurred. Both kidneys were preserved, and the postoperative course was uneventful.
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Jou et al. (2009) studied this question.
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