kidney disorder renal nutcracker syndrome https://www.malacards.org/card/renal_nutcracker_syndrome SCTID:717267005 Orphanet:71273 GARD:0011971 MEDGEN:465238 nutcracker syndrome UMLS:C3178770 MONDO:0019105 left renal vein entrapment syndrome EFO:1001838 MESH:D059228 RNS A rare, syndromic renal disease characterized by the entrapment of left renal vein (LRV) between the superior mesenteric artery (SMA) and the abdominal aorta, resulting in increased luminal pressure, renal hilar varices, hematuria and, at the microscopic level, rupture of thin-walled veins into the collecting system in renal fornices.