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Dislocation of the Medial Head of the Triceps With Ulnar Nerve Location Anterior to the Medial Epicondyle
Snapping elbow is a rare syndrome caused by dislocation of the medial head of the triceps. Simultaneous dislocation of the ulnar nerve occurs even less frequently. We report a case of ulnar nerve dislocation accompanied by dislocation of the triceps over the medial humeral epicondyle. The ulnar nerve was located in front of the medial epicondyle and did not change position with the elbow flexed or extended. At the point of insertion, the proximal end of the triceps muscle was displaced anteriorly.Synovial Chondromatosis of the Elbow With Asymptomatic Ulnar Nerve Compression
Primary synovial chondromatosis is a rare, benign, proliferative disease of hyaline cartilaginous bodies within the synovium of joints. We report a rare case of primary synovial chondromatosis diffusely affecting the ulnohumeral joint causing pain and motion limitations with extrusion into the cubital tunnel and compressing the ulnar nerve but without any preoperative signs or symptoms of ulnar nerve compression. The patient was successfully treated with an open synovectomy to limit disease progression and improve motion.
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