title: Left renal vein hypertension: a cause of occult hematuria.
mesh_terms: D000293:Adolescent; D000328:Adult; D003097:Collateral Circulation; D005260:Female; D006417:Hematuria / Q000209:etiology*; D006801:Humans; D006977:Hypertension, Renal / Q000150:complications / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011859:Radiography; D012082:Renal Veins / Q000000981:diagnostic imaging*