title: Retroperitoneal mass with intradural extension: value of magnetic resonance imaging in neuroblastoma.
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D009192:Myelography; D009447:Neuroblastoma / Q000000981:diagnostic imaging / Q000473:pathology*; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography