Characteristics of different reverse Hill-Sachs lesions may help identify defects

Results from this multicenter study indicated differences between the three types of reverse Hill-Sachs lesions may help predict defects that are more likely to re-engage, with the gamma angle seen as a predictor for re-engagement among the defect types.

Researchers collected data for 99 patients with 102 cases of reverse Hill-Sachs lesions from seven shoulder centers. Investigators categorized the reverse Hill-Sachs lesions by pathogenesis and chronicity of the lesion into the following types: dislocation; locked dislocation; and chronic locked dislocation. Data collected from CT or MRI scans included patient- and injury-specific information and defect characteristics, including size, localization and depth index. In addition, investigators analyzed the position or gamma angle of the posterior defect margin as a predictor for re-engagement.

Source: Healio

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