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Fig. 3F Sonography and radiography of lateral aspect of elbow in
12-year-old male baseball player. No player was symptomatic at time of
sonographic examination. Sonogram (E) and corresponding diagram
(F) of lateral aspect of elbow on throwing side. Gap between fragment
(asterisk) and its base (arrows) in capitellum indicates
osteochondritis dissecans. R = radial head, C = capitellum.