Teenager with non-palpable clavicles on physical exam who has no prior history of trauma

Radiograph of pseudoarthrosis of clavicle
CXR AP (above) and bilateral AP radiographs of the clavicles (below) shows bilateral non-union of the clavicles at their midpoints. The non-joined ends of the clavicles are rounded and smooth.

The diagnosis was bilateral pseudoarthrosis of the clavicles.