鎖骨骨折の変形治癒によって生じたと思われる鎖骨遠位端posttraumatic osteolysisの1例

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  • A Case of Posttraumatic Osteolysis of the Distal End of the Clavicle Due to the Malunion of a Fracture

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We recenly experienced a case of posttraumatic osteolysis of the distal end of the clavicle due to malunion of a fracture. Our surgical treatment of this patient was a succes.<BR>A 38-year-old-man had been complaining of left ahoulder pain since Aprol,1995. At the initial examination, the patient was suffering from tenderness and pain whenerver he elevated his left arm. Using radiology, we noticed a deformity of the clavicle due to the malunion of a fracture suffered 20 years before, and an osteolytic change in the distal end of the clavicle. Preoperative MRI findings showed a hypertrophic change of the A-C joint capsule, with an effusion inside. Sinec the patient's condition could not be improved without surgery, We performed a resection of the distal end of the clavicle. At operation, the capsule was thickened, we noticed hyperplasia of synovia. The cortex at the distal end of the clavicle was fragile. The histopathological studt ahowed an erosion of the articular cartilage and hyperplasea of synovia. After surgery, the pain had deen reduced and the patient was regaining a full range of motion of his left shoulder. And now, he has returned to his original job.

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  • Katakansetsu

    Katakansetsu 20 (2), 397-399, 1996

    Japan Shoulder Society

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