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患者女,21岁。就诊前1个月发现右上臂内侧无移动肿物,无其他不适。查体:右肱骨中段内侧可及2 cm×2 cm肿物,质硬,界清,不活动,轻压痛,不伴神经症状,表面皮肤正常。外院X线检查示右肱骨上段肿物,内含低密度灶,考虑为骨软骨瘤。我院CT断层扫描示右肱骨上段骨皮质肿物,考虑为良性病变。患者于2005年8月24日行肿瘤切除术,沿肿物基底以骨凿将肿物凿下,基底约4 cm×2 cm。术后病理诊断:肱骨干软骨母细胞瘤,S-100(+)。术后12 d出院。
Female patient, 21 years old. One month before the visit, there was no moving mass inside the upper right arm and no other discomfort. Physical examination: the middle of the right middle of the humerus and 2 cm × 2 cm tumor mass, hard, clear, inactive, mild tenderness, without neurological symptoms, the surface of the skin is normal. External X-ray examination showed the right upper humerus tumor, containing low-density lesions, considered as osteochondroma. Our hospital CT tomography showed the right upper humerus cortical bone mass, considered as benign lesions. The patient underwent tumor resection on August 24, 2005 and the tumor was chiselled along the tumor base with a base of about 4 cm × 2 cm. Postoperative pathological diagnosis: humeral stem chondroblastoma, S-100 (+). Discharged 12 days after operation.