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Klassifikation von Normvarianten des Labrums und Labrumverletzungen

Classification of normal labral variants and labral injuries

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Zusammenfassung

Das Labrum glenoidale ist ein wichtiger Stabilisator des Glenohumeralgelenks. Verletzungen des Labrums beeinträchtigen in Abhängigkeit von der Lokalisation, der Ausdehnung und den beteiligten Strukturen die Stabilität des Schultergelenks in unterschiedlichem Maße. Die komplexe Anatomie und die hohe anatomische Variabilität erfordern detaillierte Kenntnisse und eine hochaufgelöste bildgebende Darstellung mit intraartikulärer Kontrastmittelgabe, um pathologische Befunde von Normvarianten zu unterscheiden. Die MR-Arthrographie, alternativ auch die CT-Arthrographie, haben sich als bildgebende Verfahren der Wahl etabliert. In dieser Übersichtsarbeit werden MR-arthrographische Befunde von Normvarianten und labralen Verletzungsmustern gegenübergestellt.

Abstract

The glenoid labrum is an important stabilizer of the glenohumeral joint. Labral injuries affect the stability of the shoulder joint to varying degrees depending on the localization, the extension and the structures involved. Because of the complex anatomy and the high variability of the glenoid labrum, in-depth knowledge concerning normal variations and labral injury patterns is required as well as high-resolution imaging with intra-articular contrast in order to discriminate anatomical variants from pathological findings. Therefore, magnetic resonance (MR) and alternatively computed tomography (CT) arthrography have become established as the imaging methods of choice. In this review MR arthrographic findings of normal labral variants and different labral injury patterns are portrayed.

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Einhaltung ethischer Richtlinien

Interessenkonflikt. S. Waldt und M. Brügel geben an, dass kein Interessenkonflikt besteht. Dieser Beitrag beinhaltet keine Studien an Menschen oder Tieren.

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Authors and Affiliations

  1. Institut für diagnostische und interventionelle Radiologie, Klinikum rechts der Isar, Technische Universität München, Ismaninger Str. 22, 81675, München, Deutschland

    S. Waldt

  2. Radiologie am Stiglmaierplatz, München, Deutschland

    M. Brügel

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  2. M. Brügel
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Correspondence to S. Waldt.

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Waldt, S., Brügel, M. Klassifikation von Normvarianten des Labrums und Labrumverletzungen. Radiologe 55, 211–220 (2015). https://doi.org/10.1007/s00117-014-2785-5

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