Zusammenfassung
Hintergrund
Die Bildgebung spielt beim Management des multiplen Myeloms (MM) eine zentrale Rolle. Neben morphologischen Bildgebungsmethoden, wie Ganzkörper-Röntgenaufnahme (Pariser Schema), Computertomographie (CT) und Magnetresonanztomographie (MRT), wird zunehmend die Positronen-Emissions-Tomographie/CT (PET/CT) unter Verwendung von 18F‑Fluorodeoxyglukose (18F‑FDG) als Radiotracer eingesetzt.
Ziel der Arbeit
Ziel dieses Übersichtsartikels ist es, die wichtigsten Anwendungen der PET/CT in der Diagnose und Behandlung des MM zu beschreiben und Hinweise zu deren Auswertung zu geben.
Material und Methoden
Hintergrundwissen und Leitlinienempfehlungen zur PET-basierten Bildgebung des MM werden erläutert und durch aktuelle Studienergebnisse ergänzt.
Ergebnisse
Die 18F‑FDG-PET/CT gilt derzeit nicht als Standardmethode für die Diagnostik des MM in Deutschland, sie ist aber ein sehr leistungsfähiges diagnostisches Tool für den Nachweis von medullären und extramedullären Myelommanifestationen, ein zuverlässiger Prädiktor für das Überleben sowie zur Beurteilung des Therapieansprechens. Zudem spielt sie bei der Bewertung der minimalen Resterkrankung („minimal residual disease“, MRD) eine bedeutende Rolle. Andererseits begrenzen praktische Herausforderungen wie geringe lokale Verfügbarkeit und hohe Kosten den weit verbreiteten Einsatz der PET/CT. Darüber hinaus erschweren falsch-negative bzw. seltener auch falsch-positive Ergebnisse sowie die Heterogenität der MM-Präsentation die PET/CT-Bildanalyse.
Schlussfolgerung
Die PET/CT hat einen hohen Stellenwert bei der Diagnose, Prognose und Bewertung des Therapieansprechens von MM. Daher wird erwartet, dass die Rolle dieser Modalität beim Management der Krankheit in naher Zukunft noch weiter zunehmen wird.
Abstract
Background
Imaging plays a pivotal role in the management of multiple myeloma (MM). Besides morphological imaging methods, such as whole-body X‑ray, computed tomography (CT) and magnetic resonance imaging (MRI), the hybrid modality positron emission tomography/CT (PET/CT) using the glucose analogue 18F‑fluorodeoxyglucose (18F‑FDG) as radiotracer is increasingly used.
Objectives
Aim of this review article is to outline the major applications of PET/CT in the diagnosis and management of MM, and to provide hints on the reading and interpretation.
Materials and methods
Background knowledge and guideline recommendations on imaging of MM are outlined and complemented by recent study results.
Results
Although 18F‑FDG PET/CT is not currently considered a standard method for the diagnosis of MM, it is a very powerful diagnostic tool for the detection of medullary and extramedullary disease, a reliable predictor of survival and the most robust modality for treatment response evaluation. Moreover, it plays a significant role in minimal residual disease (MRD) assessment. On the other hand, practical considerations on local availability and costs limit the widespread use of PET/CT. In addition, false-negative and the seldom false-positive results and the heterogeneity of MM presentation inevitably make interpretation of PET/CT images challenging.
Conclusions
PET/CT has a high value in the diagnosis, prognosis, and assessment of treatment response in patients with MM. Therefore, the role of the modality in the management of the disease is expected to increase in the near future.
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C. Sachpekidis und A. Dimitrakopoulou-Strauss geben an, dass kein Interessenkonflikt besteht. H. Goldschmidt gibt folgende konkurrierende Interessen an: Grants and/or provision of Investigational Medicinal Product: Amgen, BMS, Celgene, Chugai, Dietmar-Hopp-Foundation, Janssen, John Hopkins University, Sanofi. Research Support (Institutions): Amgen, BMS, Celgene, Chugai, Janssen, Incyte, Molecular Partners, Merck Sharp and Dohme (MSD), Sanofi, Mundipharma, Takeda, Novartis. Advisory Boards (Institutions): Adaptive Biotechnology, Amgen, BMS, Celgene, Janssen, Sanofi, Takeda. Honoraria (Speakers Bureaus): Amgen, ArtTempi, BMS, Celgene, Chugai, GlaxoSmithKline (GSK), Janssen, Novartis, Omnia Med Deutschland, Sanofi.
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Sachpekidis, C., Goldschmidt, H. & Dimitrakopoulou-Strauss, A. Positronen-Emissions-Tomographie/Computertomographie (PET/CT) beim multiplen Myelom. Radiologe 62, 20–29 (2022). https://doi.org/10.1007/s00117-021-00948-7
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DOI: https://doi.org/10.1007/s00117-021-00948-7