School ager who fell off the monkey bars and now has elbow pain

Radiograph of radial neck elbow fracture
Lateral radiograph of the elbow (left) shows elevation of the anterior and posterior fat pads due to a joint effusion and an abnormal orientation of the radial head. AP radiograph of the elbow (right) shows a complete fracture through the radial neck.

The diagnosis was radial neck elbow fracture.