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Fig. 5B. 32-year-old man with anterior shoulder instability after fall
on outstretched hand. Oblique axial T1-weighted MR arthrogram (533/15)
obtained in abductionexternal rotation position shows detachment of
anterior labrum from glenoid (arrow), consistent with Perthes lesion.
Arthroscopy performed 1 month after MR imaging confirmed presence of Perthes
lesion; labral reattachment was performed.