Greenstick fracture (radius) with ulnar bowing
Fall off bike. Pain in arm. Reluctant to use arm.
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Greenstick fracture of the proximal radius best demonstrated on the lateral view. Minor bowing of the ulna.
Paediatric radial fractures are usually distal injuries, but careful assessment of the imaged bones will demonstrate proximal injuries in a proportion of patients.
It is worth considering that pain and symptoms described in children may not correspond to the site of injury.
In paediatric patients, incomplete fractures are the commonest type of fracture and may be subtle. This patient has a minimally displaced fracture of the proximal radius which is seen on the lateral view, but partially obscured by the ulna which is bowed. Cortical irregularity or angulation is the key.