Zusammenfassung
Hintergrund
Magnetresonanztomographie (MRT) und Computertomographie (CT) sind weitverbreitete Schnittbildverfahren als Ergänzung zur Nativröntgenaufnahme gleichermaßen in Orthopädie und Unfallchirurgie.
Fragestellung
Darstellung der Einsatzmöglichkeit beider Schnittbildverfahren bei akuten und chronischen Gelenkpathologien.
Material und Methode
Zusammenfassung der relevanten Literatur mit Fokus auf die Aussagekraft von MRT und CT bei Gelenkverletzungen und -veränderungen sowie Darstellung von Fallstricken bei der Befundung.
Ergebnisse
Während das Haupteinsatzgebiet der CT in der Darstellung von Frakturen und Fehlstellungen besteht, liegt das Hauptgewicht des MRT vorrangig in der Visualisierung weichteiliger Veränderungen wie Bandläsionen und Knorpelschäden. Jedes Verfahren hat in beiden Fachgebieten seinen Stellenwert, wobei sie sich ergänzen und gemeinsam einen wichtigen Bestandteil bei der Entwicklung eines Therapiealgorithmus darstellen.
Schlussfolgerungen
CT und MRT sind unverzichtbare, sich ergänzende Verfahren der Diagnostik von Gelenkveränderung in Orthopädie und Unfallchirurgie.
Abstract
Background
Magnetic resonance imaging (MRI) and computed tomography (CT) are established complementary tools for cross-sectional imaging in addition to standard x‑rays in orthopedics and traumatology.
Objective
Illustration of possible applications of MRI and CT in acute and chronic joint diseases.
Material and methods
Summary of the relevant literature with focus on the validity of MRI and CT in depicting joint trauma and pathologies. In addition, description of pitfalls in evaluation of the images.
Results
The main focus of CT is the detailed visualization of fractures and deformities; however, MRI is the primary imaging technique for depiction of soft tissue pathologies, such as ligament tears and chondral lesions. Both imaging techniques are valuable in orthopedics and traumatology and complement each other in the development of treatment algorithms.
Conclusion
Both MRI and CT are essential and complementing cross-sectional imaging techniques in the diagnostic procedures for joint pathologies in orthopedics and traumatology.
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Mauch, F., Drews, B. Magnetresonanz- und Computertomographie. Unfallchirurg 119, 790–802 (2016). https://doi.org/10.1007/s00113-016-0232-y
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DOI: https://doi.org/10.1007/s00113-016-0232-y