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Kernspintomographie in der Schwangerschaft

  • Conference paper
Geburtshilfe — Geburtsmedizin

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Zusammenfassung

Die Bildgebung mit Hilfe der Kernspintomographie beruht auf den magnetischen Eigenschaften von Atomkernen. Atome bestehen aus einem Atomkern und einer Hülle aus Elektronen. Die Atomkerne sind positiv geladen, die Elektronen nega tiv. Atome mit einer ungeraden Anzahl an Protonen und Neutronen haben die Eigenschaft, daß ihr Atomkern ständig um seine Achse rotiert. Diese Rotationsbewegung bezeichnet man als Spin. Folge der Rotationsbewegung der Atomkerne ist eine ständige Bewegung der auf ihnen verteilten Ladungen. Bewegte Ladungen werden immer von einem Magnetfeld begleitet, so auch im Falle dieser Atomkerne. Bei der Bildgebung mit der Kernspintomographie benutzt man die magnetischen Eigenschaften von Wasserstoffatomkernen, die nur aus einem einzelnen Proton bestehen. Gewebe besteht nun aus einer großen Anzahl von Protonen. Im Normalfall zeigen die Magnetfelder dieser Protonen in alle beliebigen Raumrichtungen. Die magnetischen Kräfte heben sich untereinander auf.

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Authors
  1. W.-D. Reinbold
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Editors and Affiliations

  1. Klinikum der Albrecht-Ludwigs-Universität, Universitäts-Frauenklinik, Hugstetter Str. 55, 79106, Freiburg, Deutschland

    Hans Günter Hillemanns

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© 1995 Springer-Verlag Berlin Heidelberg

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Reinbold, WD. (1995). Kernspintomographie in der Schwangerschaft. In: Hillemanns, H.G. (eds) Geburtshilfe — Geburtsmedizin. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-48048-5_49

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  • DOI: https://doi.org/10.1007/978-3-642-48048-5_49

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-48049-2

  • Online ISBN: 978-3-642-48048-5

  • eBook Packages: Springer Book Archive

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