title: [The silent kidney in urography: value of echographic examination].
abstract: The unilateral non visualizing urinary tract deserves further investigation in order to establish the cause of it. Among the various methods, echography offers the advantages of a good diagnostic accuracy and of a total non invasivity. Furthermore no ionizing radiation are requested. The author stresses the value of the echographic investigation on the basis of its own experience and referring to the data of the literature. Cases of idronephrosis, malignancies and vascular lesions are described.
mesh_terms: D000792:Angiography; D001027:Aortography; D006801:Humans; D007674:Kidney Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D007680:Kidney Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014463:Ultrasonography; D014567:Urography
vernacular_title: Il rene muto in corso di urografia: valore dell'indagine ecografica.