title: Circumaortic left renal vein associated with juxtarenal abdominal aortic aneurysm.
abstract: The patient was an 82-year-old man who was found to have a juxtarenal abdominal aortic aneurysm accompanied by a circumaortic left renal vein (CLRV). During dissection of the proximal anastomosis site the CLRV was injured, but was successfully repaired. A graft implantation was performed below the renal arteries. The incidence of CLRV is thought to be rare, however it is found in 7% of cadavers donated for anatomy. CLRV may cause unexpected bleeding by inadvertent dissection of the abdominal aorta. To prevent unexpected bleeding, surgeons should always keep in mind this potential risk when performing surgery.
authors.affiliation: Department of Cardiovascular Surgery, Nagasaki University Hospital, Nagasaki, Nagasaki, Japan.
authors.forename: Koji
authors.initials: K
authors.lastname: Hashizume
authors.forename: Shinichiro
authors.initials: S
authors.lastname: Taniguchi
authors.forename: Tsuneo
authors.initials: T
authors.lastname: Ariyoshi
authors.forename: Yoichi
authors.initials: Y
authors.lastname: Hisata
authors.forename: Kazuyoshi
authors.initials: K
authors.lastname: Tanigawa
authors.forename: Takashi
authors.initials: T
authors.lastname: Miura
authors.forename: Mizuki
authors.initials: M
authors.lastname: Sumi
authors.forename: Kiyoyuki
authors.initials: K
authors.lastname: Eishi
keywords: abdominal aortic aneurysm; circumaortic left renal vein; venous anomaly