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ShaoChun Lin,XueHua Li,CanHui Sun,ShiTing Feng,ZhenPeng Peng,SiYun Huang,ZiPing Li 대한영상의학회 2014 Korean Journal of Radiology Vol.15 No.5
Yolk sac tumor (YST) is a rare germ cell neoplasm of childhood that usually arises from the testis or ovary. The rare cases of YST in various extragonadal locations have been reported, but the primary intrarenal YST is even more uncommon. Here, we report a case of a primary intrarenal YST with tumor thrombus of the inferior vena cava and left renal vein in a 2-year-old boy, with an emphasis on the CT features. To our knowledge, this is the first reported case of an intrarenal YST with intravascular involvement.