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MR-Urographie: Prinzipien, Untersuchungstechniken, Indikationen

MR urography: principles, examination techniques, indications

  • Niere und ableitende Harnwege
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Zusammenfassung

Die MR-Urographie hat sich bereits als eine umfassende und viel versprechende Methode bei der Harntraktevaluierung etabliert. Sie gilt derzeit als Methode der Wahl bei Unverträglichkeit jodhaltiger Röntgenkontrastmittel, bei Patientinnen mit eingeschränkter Nierenfunktion, während der Schwangerschaft (z. B klinischen Symptomen einer Steinkolik) und bei Kindern.

Die MR-Urographie ermöglicht neben der morphologischen Abbildung des Harntrakts auch eine Funktionsbeurteilung mit Beurteilung der Nierenperfusion, der glomerulären Filtrationsrate und der Ausscheidungs- und Abflussverhältnisse. Die Zukunftsaspekte dieser Technik auf funktioneller, molekularer und zellulärer Ebene sind derzeit Gegenstand zahlreicher Studien und intensiver Forschung. Dies lässt diese Methode als zukünftiges „All-in-one-approach-Verfahren“ für morphologisches, funktionelles sowie zelluläres und molekulares Imaging einzigartig erscheinen.

Abstract

MR urography is an evolving and promising technique in the evaluation of the urinary tract. MR urography is currently considered the method of choice for imaging of the renal parenchyma and the collecting systems in patients who cannot undergo routine radiographic studies such as pregnant women, pediatric patients, patients allergic to iodinated contrast agents, or patients with impaired renal function.

The future development of MR urography in terms of functional, cellular, and molecular imaging is presently the subject of research. The ability of MR imaging to provide quantitative functional information (e.g., on blood flow, perfusion, glomerular filtration rate, and excretion as well as urine drainage) in addition to morphologic assessment of the parenchyma and the collecting system could lead to a single, “all-in-one approach” examination technique.

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Authors and Affiliations

  1. Klinik für Radiodiagnostik, Medizinische Universität Wien, Österreich

    M. Memarsadeghi & G. Heinz-Peer

  2. Abteilung für Kinderradiologie, Klinik für Radiologie der Medizinischen Universitätsklinik, Graz, Österreich

    M. Riccabona

  3. Klinik für Radiodiagnostik, Medizinische Universität, Währinger Gürtel 18–20, 1090, Wien, Österreich

    M. Memarsadeghi

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  1. M. Memarsadeghi
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Correspondence to M. Memarsadeghi.

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Memarsadeghi, M., Riccabona, M. & Heinz-Peer, G. MR-Urographie: Prinzipien, Untersuchungstechniken, Indikationen. Radiologe 45, 915–923 (2005). https://doi.org/10.1007/s00117-005-1225-y

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