Elbow pain after trauma.
Mechanism is hyperextension due to a fall on an outstretched hand.
Sixty percent of all childhood elbow fractures are supracondylar. The posterior fat pad is the olecranon fossa fat pad and it should normally never be seen. The anterior fat pad is the coronoid fossa fat pad and it may be normally seen, but should not be seen to be elevated. In a transcondylar fracture there is a fracture line through the coronoid and olecranon fossae and there is posterior displacement or angulation of the distal fragment in the majority of cases. There are three lines to draw on elbow films which can help in the diagnosis of fractures.