Zusammenfassung
Der zweite Teil der Weiterbildung geht auf Sequenztechniken in der Magnetresonanztomographie (MRT) und auf die passenden Messparameter für verschiedene Kontrastgewichtungen ein. Er baut dabei auf den kürzlich erschienenen ersten Teil auf, der sich mit den relevanten Gewebeeigenschaften für die wichtigsten Kontrastmechanismen befasste. Außerdem werden die Charakteristika der Kontrastgewichtungen an Bildbeispielen von gesunden Probanden erläutert. Typische klinische Anwendungen für die Kontrastgewichtungen werden angesprochen. Sequenztechniken für folgende Kontraste sind enthalten: Protonendichte (d. h. Wasserstoffdichte an kleinen beweglichen Molekülen), Relaxationszeiten T1 und T2, chemische Verschiebung (Wasser und Fett), Effekte der magnetischen Suszeptibilität, eingeschränkte Diffusionsbewegung der Wassermoleküle sowie Magnetisierungstransfer zwischen Makromolekülen und Wassermolekülen.
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Schick, F. (2015). Bildkontraste bei statischen Aufnahmen in der klinischen Magnetresonanztomographie. In: Delorme, S., Reimer, P., Reith, W., Schäfer-Prokop, C., Schüller-Weidekamm, C., Uhl, M. (eds) Weiterbildung Radiologie. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46785-5_2
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