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Paralabral cysts of the hip: sonographic evaluation with magnetic resonance arthrographic correlation
Benjamin M Mervak1, Yoav Morag, David Marcantonio
1Department of Radiology, Division of Musculoskeletal Radiology, University of Michigan Hospital, 1500 E Medical Center Dr, Ann Arbor, MI 48109, USA.
Abstract:
This retrospective study demonstrates the sonographic appearance paralabral cysts of the hip with magnetic resonance (MR) arthrography as the reference standard. Consensus review by 2 musculoskeletal radiologists was used to assess the paralabral cysts and determine their characteristics. The 3 paralabral cysts seen on sonography and confirmed with MR arthrography in this study were anechoic or hypoechoic, lobulated, and filled with contrast on MR imaging. A labral tear was also noted in all cases on both sonography and MR arthrography. Sonographic assessment for an anterior hip paralabral cyst and labral tear may be of diagnostic benefit.
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