Zusammenfassung
Bei der Multisystemerkrankung zystische Fibrose („cystic fibrosis“, CF) bestimmt die pulmonale Manifestation die Morbidität und Mortalität der Patienten. Die charakteristischen pulmonalen Manifestationen können mithilfe des Röntgens, der Computertomographie (CT) und/oder der Magnetresonanztomographie (MRT) visualisiert werden. Aktuell wird die MRT-Untersuchung der Lunge zunehmend bei wiederholten bildgebenden Untersuchungen der Patienten mit CF eingesetzt. Studienergebnissen zufolge kann die MRT die pulmonalen CF-Veränderungen vergleichbar zu nativen „Low-dose“-CT-Untersuchungen abbilden. Vorteil der MRT ist neben ihrer fehlenden Strahlenexposition die Möglichkeit, eine Läsion mithilfe verschiedener Wichtungen und Techniken darzustellen. Zudem können funktionelle Informationen über Lungenventilation und -perfusion gewonnen werden. Die neuartige „Phase-resolved-functional-lung“(PREFUL)-Technik ermöglicht eine sehr sensitive quantitative Ventilations- und Perfusionsanalyse der gesamten Lunge ohne die Notwendigkeit einer i.v.-Kontrastmittel-Applikation. Diese schonende Technik eignet sich insbesondere auch zum Therapie-Monitoring bei Patienten mit CF.
Abstract
In the multisystemic disease cystic fibrosis (CF) the pulmonary manifestation determines the morbidity and mortality of the patients. The characteristic pulmonary manifestations can be visualized by X‑ray imaging, computed tomography (CT) and/or by magnetic resonance imaging (MRI). Currently, MRI of the lungs is increasingly used for repeated imaging examinations in patients with CF. Study results show that MRI can display the pulmonary alterations of CF with similar resolution to unenhanced low-dose CT examinations. In addition to the lack of radiation exposure, the advantages of MRI are the possibility to visualize a lesion by different weightings and techniques. Furthermore, MRI can provide functional information about lung ventilation and perfusion. The novel phase resolved functional lung (PREFUL) technique enables a very sensitive quantitative ventilation and perfusion analysis of the whole lung without the need for intravenous application of MR contrast media. This gentle technique is also particularly suitable for therapeutic monitoring in patients with CF.
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D.M. Renz, M. Dohna, J. Böttcher, T.F. Kaireit, A. Pfeil, F. Streitparth und J. Vogel-Claussen geben an, dass kein Interessenkonflikt besteht.
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Renz, D.M., Dohna, M., Böttcher, J. et al. Magnetresonanztomographie der Lunge bei zystischer Fibrose. Monatsschr Kinderheilkd 168, 406–415 (2020). https://doi.org/10.1007/s00112-020-00890-3
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DOI: https://doi.org/10.1007/s00112-020-00890-3