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患者女,35岁,右肘前区无明显诱因疼痛3个月。负重时症状加重。当地医院X线摄片示右肘前区有一花生米大小密度增高影,怀疑骨化性肌炎及肿瘤样病变转入我院。入院查体:右肘关节外观无肿胀及畸型。右前臂肌力Ⅴ级。皮肤感觉正常。右肘前节正侧位片:右肱骨冠突窝前方可见2枚花生米大小骨性影,部分重叠。边缘尚光滑,肘关节间隙正常,关节面光滑。几次X线摄片骨性影有形态变化,大小不一。术前诊断:右肘关节内游离体,性质待查。于1993年5月7日在右臂丛麻醉下行右肘前游离体取出术。术中探查:关节囊饱满,关节囊内取出3枚软骨样游离体,分別为0.8cm×0.6cm×0.4cm,0.6cm×
The female patient, 35 years old, had no obvious cause of pain for 3 months before the right elbow. The symptoms worsened with weight. Local hospital X-ray photographs showed an increase in the density of peanuts in the front right elbow area. Skeletal myositis and tumor-like lesions were suspected to have been transferred to our hospital. Admission examination: The appearance of the right elbow joint is not swollen or deformed. Right forearm muscle strength V level. The skin feels normal. Right anterior segment of the anterior segment of the right elbow: Two peanut-sized bony shadows are visible in front of the right tibial and coronoid fossa, partially overlapping. The edge is still smooth, the elbow gap is normal, and the articular surface is smooth. Several X-ray radiographs have morphological changes and vary in size. Preoperative diagnosis: left elbow free joints, the nature of the unknown. On May 7, 1993, anterior antecubital dissection was performed in the right brachial plexuses. Intraoperative exploration: The joint capsule is full, 3 cartilage-like loose bodies are removed from the joint capsule, 0.8cm×0.6cm×0.4cm, 0.6cm ×