title: A rare case of perinephric urinoma due to idiopathic retroperitoneal fibrosis.
authors.affiliation: Department of Nephrology, College of Medicine , Korea University Ansan Hospital , Ansan City, Korea.
authors.forename: Jin Joo
authors.initials: JJ
authors.lastname: Cha
authors.affiliation: Department of Nephrology, College of Medicine , Korea University Ansan Hospital , Ansan City, Korea.
authors.forename: Jung Yeon
authors.initials: JY
authors.lastname: Heo
authors.affiliation: Department of Nephrology, College of Medicine , Korea University Ansan Hospital , Ansan City, Korea.
authors.forename: Gang Ji
authors.initials: GJ
authors.lastname: Ko
authors.affiliation: Department of Nephrology, College of Medicine , Korea University Ansan Hospital , Ansan City, Korea.
authors.forename: Dae Ryong
authors.initials: DR
authors.lastname: Cha
authors.affiliation: Department of Nephrology, College of Medicine , Korea University Ansan Hospital , Ansan City, Korea.
authors.forename: Young Sun
authors.initials: YS
authors.lastname: Kang