Osteochondritis dissecans of the capitellum in adolescents

Figure 1 Vascularisation of the capitellum. A: Anterior view; B: Lateral view. Br: Brachial; IR: Interosseous recurrent; IUC: Inferior ulnar collateral; MC: Middle collateral; PUR: Posterior ulnar recurrent; R: Radial; RC: Radial collateral; RR: Radial recurrent; SUC: Superior ulnar collateral artery.

Figure 2 Plain radiography of the elbow showing an osteochondritis dissecans lesion of the capitellum. A: Anteroposterior; B: Lateral.

Figure 3 Magnetic resonance images of an elbow affected with osteochondritis dissecans of the capitellum. A: Coronal view; B: Sagittal view.

Figure 4 Computed tomography scans showing capitellar osteochondritis dissecans (A-C).

Figure 5 Patient positioning for arthroscopy of a right elbow (A and B). The patient is in the lateral decubitus position and the arm rests on a support.

Figure 6 Arthroscopic picture showing an osteochondritis dissecans lesion after debridement and microfracturing.