J Korean Soc Radiol.
2021 Sep;82(5):1140-1162. 10.3348/jksr.2020.0146.
Direct MR Arthrography of the Hip: Diagnosis and Pitfalls of Acetabular Labral Lesions
- Affiliations
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- 1Department of Radiology, Chonnam National University Hospital, Gwangju, Korea
- 2Department of Radiology, Chonnam National University Hwasun Hospital, Hwasun, Korea
- KMID: 2520698
- DOI: http://doi.org/10.3348/jksr.2020.0146
Abstract
- Tearing of the acetabular labrum is a common cause of chronic hip pain. MR arthrography (MRA) of the hip is the imaging procedure of choice for the evaluation of acetabular labrum. Familiarity with the various imaging findings of MRA of the hip allows recognition of normal variants and differentiation from true pathologic conditions. This article comprehensively reviews the technical aspects and interpretation of MRA of the hip. The appearances of normal and abnormal labra in MRA are discussed. Potential pitfalls in labral tear interpretation, such as sulci around the hip, normal variants of the labrum and plicae, and osseocartilaginous and soft tissue lesions identified on MRA of the hip are also described.
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