title: [An ultrasonic image trap: retrocaval pseudomasses of renal origin].
mesh_terms: D006801:Humans; D007668:Kidney / Q000033:anatomy & histology*; D014463:Ultrasonography; D014684:Venae Cavae / Q000033:anatomy & histology*
vernacular_title: Une image ultrasonore piège : les pseudo-masses rétrocaves d'origine rénale.