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Malignant transformation of aneurysmal bone cysts： a case report

Chinese Medical Journal 2009年第1期122卷 110-112页

作者： MEI Jiong GAO You-shui WANG Shu-qing CAI Xuan-song Department of Orthopedics Tongji Hospital Tongji University Shanghai 200065 China

An aneurysmal bone cyst is a non-neoplastic, .destructive and expansile lesion consisting of a＂blood-filled sponge＂ that is defined to represent a benign reactive vascularity. Szendroi et al suggested that the aneurysmal bone cyst corresponds to a haemodynamic disturbance that is primary or secondary venous malformation of the bones. The association with trauma including fracture has also been noted and 25%-71% of such patients have a history of trauma. Conventionally, malignant transformation of aneurysmal bone cysts is perceived as a rare occurrence except those induced by irradiation. Both malignant fibrous histiocytoma and osteosarcoma have been reported in the malignant transformation cases.

关键词： aneurysmal bone cyst prosthesis implantation malignant fibrous histiocytoma

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Shoulder hemiarthroplasty for the treatment of complex proximal humeral fractures

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Chinese Journal of Traumatology 2009年第1期12卷 -页

作者： YANG Shu-hua WANG Jing XU Wei-hua LI Jin LIU Guo-hui YANG Can YE Shu-nan YE Zhe-wei LIU Yong Department of Orthopedics Union Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan 430022 China

Objective: To investigate the indication, perioperative announcements, selection of prosthesis and clinical results of shoulder hemiarthroplasty for the treatment of complex proximal humeral ***: A total of 55 patients who suffered from com-plex proximal humeral fractures were treated by shoulder hemiarthroplasty. The mean age was 55.6 years and mean follow-up period was 25.1 months. The scoring system modi-fication for hemiarthroplasty (SSMH) had been adopted for evaluation at the latest ***: The pain was obviously relieved in all patients. Fifty patients were painless and 5 patients had slight pain. The mean range of motion was 100°(90°-110°) in abduction, 95°(80°-100°) in forward flexion, 35°(30°-40°) in extemal rotation and internal rotation was confined at L2 level (L1-L3). The mean SSMH score was 27.9 (24-29). Fifty patients (90.1%) were satisfied with the clinical ***: Shoulder hemiarthroplasty is an effective method to treat complex proximal humeral fractures. The proper selection of patients and prosthesis, good operation skill and enough functional exercise are the key points of successful treatment.

关键词： Shoulder Arthroplasty Humeral fractures prosthesis implantation

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