[Sequestered bone infection after Kirschner wire osteosynthesis of humeral head fracture].

Percutaneous stabilization of fractures of the humeral head by K-wires is a proved therapy. This proceeding provides enough stability for early moving of the joint and has a low incidence for complications. In the case described here the special is the cause for local infection: local osteonecrosis induced by drilling-holes too close together.