PMC8590945_01
Sonographic image of OCD of the humeral capitellum in the sagittal plane showing irregularity and discontinuity of the subchondral bone.
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Sagittal-plane sonographic images of the humeral capitellum showed irregularity and discontinuity of the subchondral bone (Fig. 1).
(A) Radiograph taken at the first examination showing an osteochondral lesion on the lateral side of the capitellum and new bone formation along the lateral side of capitellum (arrows). Closed capitellum and lateral epicondyle growth plates were indicated. (B) Radiograph of the non-throwing-side elbow joint at the initial visit demonstrated a closed epiphyseal line of the capitellum and lateral epicondyle.
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Radiography conducted at the first examination revealed an osteochondral lesion on the lateral side of the capitellum and new bone formation along the lateral side of the capitellum; closed capitellar and lateral epicondyle growth plates were also indicated (Fig. 2A). Radiography of the elbow joint of the non-throwing side at the initial visit also demonstrated that the epiphyseal lines of the capitellum and lateral epicondyle were already closed (Fig. 2B).
Healing occurred gradually with growth of the epiphysis of the capitellum and lateral epicondyle. Images were taken at (A) 3 months, (B) 6 months, (C) 9 months, and (D) 12 months.
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Healing developed gradually with growth of the epiphysis of the capitellum and lateral epicondyle: Figure 3 shows radiographs taken at 3, 6, 9, and 12 months.
(A) Radiograph taken 5 months after the patient returned to baseball participation showed no recurrence of OCD. (B, C) Magnetic resonance imaging (coronal view of T1-weighted image and sagittal view of T2 fat suppression image) 5 months after returning baseball also showed no recurrence of OCD.
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Radiographic and magnetic resonance imaging 5 months after the patient returned to baseball demonstrated no recurrence of OCD (Fig. 4A-C).