Posttraumatic Osteolysis of the Outer End of the Clavicle

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A male, thirty-seven years of age, sustained an injury on his left shoulder by a cut tree falling accidentally on him.He suffered from an acute pain and swelling on his left shoulder at that time but no medical treatment was given. One week later he returned his work.About five months later, there developed a painful stiffness on the left acromioclavicular oint.About eight months after the accident he visited our hospital.By radiographic inspection no luxation was observed, but there was seen an transluscent area about 8mm long at the outer end of the left clavicle. Blood tests showed no abnormal readings.The outer end of the left clavicle was excised about 6.0mm long.Four weeks after operation the patient was free from all percepitible symptoms.Histologically it demonstrates that the marrow cavities are filled with a fibrous tissue and numerous capillaries.
西日本整形・災害外科学会の論文