Supracondylar fracture of the humerus

Case contributed by Anson Chan
Diagnosis certain

Presentation

Fall out of a stationary car 2 weeks prior with persistent pain in the right elbow.

Patient Data

Age: 2 years
Gender: Female

There is a non-displaced supracondylar fracture with associated joint effusion and prominent posterior fat pad. Smooth periosteal reaction is demonstrated overlying the distal humerus which is suggestive of early healing.

Case Discussion

The posterior fat pad sign in pediatric trauma is indicative of a supracondylar fracture. In this case of delayed presentation, further confirmation is provided by the smooth periosteal reaction visible overlying the distal humerus.

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