title: Idiopathic renal vein varices: incidence and significance.
abstract: To determine the incidence of renal vein varices, an analysis of 132 consecutive renal venograms was performed. Varices were found in 8 patients (6%), always on the left side. Four were solitary, and four represented a dilated venous network adjacent to the renal pelvis and upper ureter. Only a single patient had hematuria attributed to renal vein varices. It is concluded that varices in association with hematuria cannot be assumed to be causative; they may equally well be incidental findings.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006417:Hematuria / Q000209:etiology; D006801:Humans; D007668:Kidney / Q000098:blood supply*; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012082:Renal Veins / Q000000981:diagnostic imaging*; D014648:Varicose Veins / Q000000981:diagnostic imaging*