Presentation
Elbow pain.
Patient Data
Moderate joint effusion is seen.
Abnormal increased fluid signal and fibers discontinuity are present along the course of ulnar collateral ligament related to UCL tearing.
Osteochondral injury at the humeral capitellum as cartilage thinning and fraying associated with subchondral edematous changes are seen.
There is also abnormal increased fluid signal at the origin of common extensor tendons is related to lateral epicondylitis.
Case Discussion
The most common form of the UCL injury is a UCL tear that is usually gradual but may also happen in a single traumatic event. MRI is an important adjunct to the physical examination for the detection of UCL injury in cases of suspected elbow instability in the valgus stress test.
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