title: Valves of the internal spermatic vein: potential for misdiagnosis of varicocele by venography.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003951:Diagnostic Errors; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012082:Renal Veins / Q000000981:diagnostic imaging; D013737:Testis / Q000098:blood supply*; D014646:Varicocele / Q000000981:diagnostic imaging*; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging