radial anular ligament rupture

The elbow:

review of anatomy and common collateral ligament complex pathology using MRI. A 40-year-old man with recurrent painful click in the elbow. Coronal T1-weighted MRI (a), coronal FS PD-weighted MRI (b), and sagittal FS PD-weighted MRI (c) showing a chronic rupture and displacement of the annular ligament (white arrows), dislocation of the radial head out of the annular ligament sling (white arrowhead), and radial head deformity (white asterisks)