Fast imaging MR assessment of ureterohydronephrosis during pregnancy |
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| Affiliation: | 1. Service de Radiologie A, Pavillon Chirurgie A, Hôpitaux Universitaires de Strasbourg, Hopital Civil, Place de l''Hôpital, BP 426, 67091, Strasbourg Cedex, France;2. Service d''Urologie, Pavillon Chirurgie A, Hôpitaux Universitaires de Strasbourg, Hopital Civil, Place de l''Hôpital, BP 426, 67091, Strasbourg Cedex, France;1. Servicio de Nefrología, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Hospital Universitario Ramón y Cajal, Madrid, España;2. Red de Investigación Renal (REDinREN), Madrid, España;3. Servicio de Nefrología, Hospital de Especialidades, Centro Médico Nacional La Raza, Ciudad de México, México;1. Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK;2. Imperial College, London, UK;1. Faculty of Agriculture, Kagawa University, Miki-cho, Kita-gun, Kagawa, Japan;2. Kazusa DNA Research Institute, Kazusa-Kamatari, Kisarazu, Chiba, Japan;3. Faculty of Agriculture, Okayama University, Okayama, Okayama, Japan;1. Research Unit INSERM ESPRI, ERI29/EA2216 Laboratory of Immunotherapy and B Cell Diseases, SFR ScinBios, Réseau épigénétique et Réseau canaux ioniques du Cancéropôle Grand Ouest, Labex IGO, European University of Brittany, Brest, France;2. Laboratory of Immunology and Immunotherapy, Brest University Medical School, Morvan, Brest, France;3. Unit of Nephrology, Brest University Medical School, La Cavale Blanche, Brest, France;4. Unit of Rheumatology, Brest University Medical School, La Cavale Blanche, Brest, France;5. Unit of Urology, Brest University Medical School, La Cavale Blanche, Brest, France;6. Division of Rheumatology, Montefiore Medical Center, Bronx, NY 10467, USA;7. Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences Universidad del Rosario, Bogotá, Colombia;1. Womens Wellness and Research Centre, Hamad Medical Corporation, Doha, Qatar;2. Sidra Medicine, Doha, Qatar |
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| Abstract: | Purpose: to assess the value of the fast imaging sequence called RARE-MR-Urography (RMU) for the diagnosis of pathologic ureterohydronephrosis during pregnancy. Materials and Methods: 15 pregnant women with an acute flank pain were examined with RMU. Results were compared with those of ultrasonography (US), X-rays, and the evolution of symptoms. Results: the accuracy of RMU in the detection of urinary tract dilatation and the localization of the level of obstruction was excellent (100%). The determination of the type of obstruction, intrinsic vs. extrinsic, was always exact. RMU alone cannot specify the exact nature of the intrinsic obstruction. Ultrasonography gave less sensitive information in terms of level (60%) and type of obstruction (53%). Conclusion: RMU is able to differentiate a physiological from a pathologic ureterohydronephrosis during pregnancy. It could be considered as a procedure of choice for special cases when US failed to establish this differential diagnosis. |
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