title: Perirenal involvement by retroperitoneal fibrosis: the usefulness of MRI to establish diagnosis.
abstract: A case of retroperitoneal fibrosis (RPF) with rare, extensive involvement of the perirenal area is reported. Magnetic resonance imaging (MRI) signal intensities were helpful in distinguishing benign from malignant disease.
authors.affiliation: Department of Radiology, University of Alabama, Birmingham School of Medicine.
authors.forename: M B
authors.initials: MB
authors.lastname: Rominger
authors.forename: P J
authors.initials: PJ
authors.lastname: Kenney
mesh_terms: D001706:Biopsy; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007668:Kidney / Q000473:pathology; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D012185:Retroperitoneal Fibrosis / Q000175:diagnosis* / Q000473:pathology; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis