Male 21 years old; Reason: Is there an injury to the UCL? History: Medial elbow pain and felt a pop after a throw as a baseball catcher LIGAMENTS: The posterior fibers of the ulnar collateral ligament are indistinct, with associated high T2 signal, compatible with tearing. The anterior fibers of the ulnar collateral ligament are intact. The remaining ligaments of the elbow are unremarkable.TENDONS: No significant abnormality noted.ARTICULAR SURFACES AND BONE: No significant abnormality noted. SURROUNDING STRUCTURES: No significant abnormality noted.
Partial full-thickness tear of the posterior fibers of the ulnar collateral ligament. 