Authors: Yoshinosuke Shimamura Yuka Morishita Hideki Takizawa
Publish Date: 2013/11/14
Volume: 29, Issue: 7, Pages: 1070-1071
Abstract
Kidney angiomyolipomas are benign renal neoplasms usually detected incidentally on imaging Approximately 80 occur spontaneously as in this case while 20 occur in association with tuberous sclerosis complex2 As the lesions increase in size the vascular supply becomes aneurysmal and hemorrhage risk increases In one study the risk of hemorrhage in lesions larger than eight cm was 25–50 3Management is based on the size of the lesion and the presence of symptoms with a shift toward less invasive treatments Arterial embolization is used to reduce the size of angiomyolipomas4 and regrowth does not occur after successful embolization Some authors suggest arterial embolization if the tumor is symptomatic or greater than four cm5
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