Supracondylar fracture

Case contributed by Dr Servet Kahveci

Presentation

Fall on an outstretched right arm, pain and swelling

Patient Data

Age: 8 years
Gender: Male

Right elbow

x_ray
  • a lucent line across the distal humerus consistent with a supracondylar fracture, on AP and lateral views
  • on lateral view, anterior fat pad sign (sail sign) and posterior fat pad sign indicate joint effusion
Annotated image

Normally, anterior humeral line should intersect the long axis of the capitellum in the mid-third. In this case, the anterior humeral line passes through the anterior third, suggesting minor posterior displacement of the capitellum.

Case Discussion

Supracondylar fracture is the most common fracture at elbow in pediatric population.

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