title: MRI of retroperitoneal collections: a comparison with CT.
abstract: Retroperitoneal collections in the absence of pancreatitis are rare. Imaging plays an important role in determining the aetiology of these collections and in allowing percutaneous drainage to be performed safely. A review of the imaging characteristics on both CT and MRI is presented, highlighting the advantages and disadvantages of these two modalities and their complimentary roles.
authors.affiliation: Department of Diagnostic Radiology, King's College Hospital, London, UK.
authors.forename: S
authors.initials: S
authors.lastname: Negus
authors.forename: P S
authors.initials: PS
authors.lastname: Sidhu
mesh_terms: D005122:Exudates and Transudates / Q000000981:diagnostic imaging; D006801:Humans; D008279:Magnetic Resonance Imaging; D016659:Psoas Abscess / Q000175:diagnosis; D016658:Psoas Muscles / Q000000981:diagnostic imaging / Q000473:pathology; D012187:Retroperitoneal Space / Q000000981:diagnostic imaging / Q000473:pathology*; D014057:Tomography, X-Ray Computed