Case contributed by Dr Roberto Schubert. An LT injury can be easily missed by radiologists despite it being one of the common causes of hip and groin pain, particularly in athletes. Zlatkin MB, Pevsner D, Sanders TG, et al. Radiographics. Iliotibial Band: Sonography of the iliotibial … Radiographics, 30 (2010), pp. 2013;33(3):E97-E112. Case … 1637-1651. MRI. ... Radiographics, 30 (2010), pp. J Magn Reson Imaging. 2010;31(2):268-278. Three experienced musculoskeletal radiologists reviewed the MRI and MR arthrography studies to assess the ligamentum teres tears. Acetabular labral tears and cartilage lesions of the hip: indirect MR arthrographic correlation with arthroscopy--a preliminary study. ligamentum teres fibers (normal, attenuated, thickened, wavy); ligamentum teres integrity (not torn, degenerated, frayed, partial tear); and femoral head edema at the ligamentum teres origin. Absent ligamentum teres of the hip. ... ligamentum teres, hip, mri, variant. Statistical analysis was performed using the Kruskal-Wallis rank sum test and Fisher exact test. • The better understanding of the ligamentum teres anatomical features and the imaging evaluation of the lesions may contribute to improve diagnosis prior to the arthroscopy. The intact and partially torn ligamentum teres can have similar imaging findings on MR arthrography, making the diagnosis of partial ligamentum teres tears difficult. Its incidence and clinical significance are unknown 1. Anatomy, Biomechanics, Imaging, and Management of Ligamentum Teres Injuries RadioGraphics 2010 . Greater trochanteric pain syndrome encompasses a group of conditions leading to lateral hip pain, with US playing an increasingly important role for both evaluation and image-guided treatment. Radiologists would benefit from an algorithm that segments the LT and detects its abnormality. 1637-1651. The ligamentum teres of the hip can be depicted in axial, coronal and oblique axial images. Petchprapa CN, Dunham KS, Lattanzi R, et al. Demystifying radial imaging of the hip. The ligamentum teres is a vital intra-articular hip structure that medical literature underestimates despite its considerable role as a source of hip pain and as an internal stabilizer of the hip joint that authors consider it as the hip anterior ... imaging, and management of ligamentum teres injuries. The purpose of this study was to determine the accuracy of 3-Tesla magnetic resonance imaging (MRI) in detecting ligamentum teres (LT) lesions in patients before they undergo hip arthroscopy for the treatment of femoroacetabular impingement. The ligamentum teres (LT) is an important stabilizer of the hip joint. Congenital absence of the teres ligament has been mainly reported in dysplastic hips. Imaging Appearance of the Normal and Partially Torn Ligamentum Teres on Hip MR Arthrography AJR 2012 . MRI with leg traction can further improve the delineation of the ligament and allow for better visualization of the articular surfaces 1. The criteria for diagnosing normal or abnormal (i.e., ligament), partial or degenerative or complete tear of ligamentum teres were defined on the basis of several imaging characteristics. Tear of the ligamentum teres is now recognized as a potential cause of hip pain and instability, best evaluated with MR arthrography. • Ligamentum teres injuries have been increasingly recognized as possible causes of hip pain, specially in athletes. High SI within the substance of the fibers and irregularity suggest partial tearing; however, further research is warranted.
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