apophysitis

Little league elbow

Medial epicondyle physeal injury

Overthrowing / valgus overload

Pitching

Medial epicondylar epicondylitis / apophysitis

- traction / fragmentation

Medial epicondylar separation

UCL injury

Capitellum osteochondritis dissecans

Active pre teen boy

- activity related pain

- common in high jumpers

Fragmentation / calcification of inferior pole

- repetitive traction injury where PT inserts

- tender at this point

I Normal

II Ca inferior pole irregularity

III Coalesce Ca inferior pole

1. Displacement > 4 mm

2. Angulation > 10^o

3. Intra-articular

Zone 1

- avulsion fractures