Pediatric elbow fractures are extremely common ... margin of the humerus and should pass through the middle third of the capitellum. (Fig. 4) Figure 3. The humerotrochlear angle.

Sometimes those fractures can be subtle, and hard for non-experts to spot. Even pediatric pros sometimes miss them on x-rays. Also, infants and toddlers can get "nursemaid's elbow", a subtle ...

The fracture line enters the joint lateral to the ridge between the trochlea and capitellum ... The fracture line in type I fractures in the pediatric patient may not completely pass through ...