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Ganzkörpertumorstaging: MRT oder FDG-PET/CT?

Whole-body tumor staging: MRI or FDG-PET/CT?

  • Ganzkörper-MRT
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Zusammenfassung

Technische Neuerungen, wie die Verfügbarkeit beweglicher Tischaufsätze oder die Einführung von 32-Kanal-Systemen, haben die Ganzkörperbildgebung mit der MRT ermöglicht. Die Entwicklung kombinierter PET/CT-Systeme bereitet den Weg für eine simultane Akquisition morphologischer und funktioneller Datensätze und bietet so ebenfalls eine interessante Modalität für den Einsatz zum Ganzkörpertumorstaging in einem Untersuchungsgang. Da eine stadienadaptierte Therapie die Überlebensdauer und -qualität der Patienten verbessert, ist die entscheidende Frage bei einem Vergleich beider Untersuchungsmodalitäten die jeweilige Genauigkeit bei der Beurteilung des TNM-Stadiums. Der vorliegende Beitrag erläutert die Wertigkeiten der Ganzkörper-MRT und der Ganzkörper-FDG-PET/CT bei der Beurteilung des TNM-Stadiums verschiedener maligner Erkrankungen.

Abstract

Technical innovations such as the availability of movable patient platforms and the introduction of 32-channel systems have made whole-body MRI for tumor staging feasible. In addition, the development of dual-modality PET/CT systems offers the opportunity to perform anatometabolic tumor staging with whole-body coverage in a single session. Based on an increase in patient survival when applying a stage-adapted therapy in different malignant diseases the relevant question relates to the accuracies of whole-body MRI and whole-body PET/CT for TNM staging. This review article addresses whole-body tumor staging with MRI and FDG-PET/CT with special emphasis on diagnostic accuracies for staging different malignant diseases.

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Antoch, G., Vogt, F.M., Bockisch, A. et al. Ganzkörpertumorstaging: MRT oder FDG-PET/CT?. Radiologe 44, 882–888 (2004). https://doi.org/10.1007/s00117-004-1093-x

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  • DOI: https://doi.org/10.1007/s00117-004-1093-x

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