title: [Roentgenological diagnosis of primary retroperitoneal neoplasms in children].
mesh_terms: D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D009447:Neuroblastoma / Q000000981:diagnostic imaging*; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*; D009396:Wilms Tumor / Q000000981:diagnostic imaging*
vernacular_title: Diagnostyka rentgenowska pierwotnych nowotworów przestrzeni zaotrzewnowej u dzieci.