II. Epidemiology
- Children under age 10 years old
- Boys account for 90% of cases
- More common in athletes
- Repeat valgus stress at elbow (baseball)
- Repeat axial stress at elbow (gymnastics)
III. Pathophysiology
- Distal humeral Ossification Center (at capitellum) with abnormal ossification, necrosis and degeneration
- Differentiate from Osteochondritis Dissecans of the Capitulum which affects the articular cartilage
IV. Symptoms
- Vague lateral Elbow Pain, stiffness and decreased range of motion
V. Signs
- No point tenderness over lateral elbow
VI. Differential Diagnosis
-
Osteochondritis Dissecans of the Capitulum
- Affects articular cartilage, NOT the epiphysis
VII. Imaging
VIII. Management
- Relative rest
- Immobilize for 4 weeks
- Acetaminophen or NSAIDs
- Repeat XRays every 4-6 months
- Consider pediatric orthopedic Consultation
IX. Course
- Self-limited with spontaneous resolution