Left renal vein entrapment | definition of Left renal vein entrapment by Medical dictionary
nutcracker syndrome (redirected from Left renal vein entrapment)
A rare clinical complex which occurs in relatively young and previously healthy people, which is characterised by compression of the left renal vein (LRV) between the aorta and superior mesenteric artery (SMA), fancifully likened to the effect of a nutcracker, with the aorta and SMA each corresponding to an arm of the nutcracker and the LRV to the nut itself. The squeezing can lead to left renal vein hypertension, resulting in rupture of the thin walled vein into the renal calyceal fornix
nonglomerular hematuria due to compression of the left renal vein between the aorta and superior mesenteric artery; renal hilar varices, collateral veins, and proteinuria may be found. See: nutcracker
Diagnosis Left renal venography—gold standard test, CT, abdominal ultrasonography
DiffDx Kidney stones, genitourinary malignancy, loin pain haematuria syndrome
Management Nephrectomy, nephropexy, renocaval reimplantation, auto-transplantation, left renal vein transposition, stenting, gonadal vein embolisation
nut·crack·er syn·drome (nut'krak-ĕr sin-drōm')
Nonglomerular hematuria due to compression of the left renal vein between the aorta and superior mesenteric artery; renal hilar varices, collateral veins, and proteinuria may be found.
References in periodicals archive
Nutcracker phenomenon, also known as left renal vein entrapment
, is characterized by impeded outflow from the left renal vein into the inferior vena cava because of extrinsic left renal vein compression (').
Keywords: Nutcracker syndrome, left renal vein entrapment
, renal abscess, haematuria, fever.