Der Radiologe

, Volume 52, Issue 3, pp 213–221

Bildgeführte Strahlentherapie

  • J. Boda-Heggemann
  • M. Guckenberger
  • U. Ganswindt
  • C. Belka
  • H. Wertz
  • M. Blessing
  • F. Wenz
  • M. Fuss
  • F. Lohr


Die Strahlentherapie hat in den vergangenen 2 Dekaden von zahlreichen technischen Entwicklungen profitiert. Neue Bildgebungsmodalitäten wie Positronenemissionstomographie (PET, PET/CT) und hochauflösende morphologische und funktionelle MR-Sequenzen wurden in den Bestrahlungsplanungsprozess integriert. Die bildgesteuerte Strahlentherapie („image-guided radiation therapy“, IGRT) ermöglicht mittlerweile unmittelbar am Beschleuniger auch die 3-D-Darstellung von Weichgewebetumoren und ersetzt die Patientenpositionierung mittels Hautmarkern, rahmenbasierten stereotaktischen Verfahren im Kopf- und Körperstamm und teilweise auch die 2-D-Verifikation der Bestrahlungsfelder. IGRT gestattet die Realisierung des vollen Potenzials fortgeschrittener Bestrahlungstechniken wie der intensitätsmodulierten Strahlentherapie, mit deren Hilfe hochkonformale Dosisverteilungen realisiert werden können. Diese Strategien haben zu verbesserten klinischen Ergebnissen geführt und weitere Fortschritte sind zu erwarten.


Bildgeführte Strahlentherapie Stereotaxie Präzision Zielvolumina Risikoorgane 

Image-guided radiation therapy


Radiotherapy technology has improved rapidly over the past two decades. New imaging modalities, such as positron emission (computed) tomography (PET, PET-CT) and high-resolution morphological and functional magnetic resonance imaging (MRI) have been introduced into the treatment planning process. Image-guided radiation therapy (IGRT) with 3D soft tissue depiction directly imaging target and normal structures, is currently replacing patient positioning based on patient surface markers, frame-based intracranial and extracranial stereotactic treatment and partially also 2D field verification methods. On-line 3D soft tissue-based position correction unlocked the full potential of new delivery techniques, such as intensity-modulated radiotherapy, by safely delivering highly conformal dose distributions that facilitate dose escalation and hypofractionation. These strategies have already resulted in better clinical outcomes, e.g. in prostate and lung cancer and are expected to further improve radiotherapy results.


Image-guided radiation therapy (IGRT) Stereotactic body radiation therapy (SBRT) Accuracy Target volumes High-risk organs 


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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • J. Boda-Heggemann
    • 1
  • M. Guckenberger
    • 2
  • U. Ganswindt
    • 3
  • C. Belka
    • 3
  • H. Wertz
    • 1
  • M. Blessing
    • 1
  • F. Wenz
    • 1
  • M. Fuss
    • 4
  • F. Lohr
    • 1
  1. 1.Klinik für Strahlentherapie und RadioonkologieUniversitätsmedizin Mannheim, Medizinische Fakultät Mannheim der Universität HeidelbergMannheimDeutschland
  2. 2.Klinik für StrahlentherapieUniversitätsklinikum WürzburgWürzburgDeutschland
  3. 3.Klinik für Strahlentherapie und RadioonkologieKlinikum der Ludwig-Maximilians-UniversitätMünchenDeutschland
  4. 4.Program in Image-guided Radiation Therapy, Department of Radiation MedicineOregon Health & Science UniversityPortlandUSA

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