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1临床资料患者,男,46岁。因“左膝局部红肿疼痛4 d”于2012年7月9日就诊。患者劳累后出现左膝关节外侧红肿、疼痛,肿块位于左膝外侧,约4 cm×3 cm,局部红肿,皮温升高,质地韧,不活动,有压痛,左下肢皮肤感觉、血运好,足趾活动好。X线片示:左膝关节外侧软组织内见不规则斑片状密度增高影,边界尚清,邻近骨质无明显变化(图1)。术中见肿块大小约4 cm×3 cm×3 cm,无包膜,边界不清,与肌腱黏连较重,与骨及关节无明显关系,切面见点状灰白色钙化,予以剥离切除。
1 clinical data patients, male, 46 years old. Because of “left knee local pain and pain 4 d ” on July 9, 2012 treatment. The patient showed a swelling and pain on the lateral side of the left knee after exertion. The mass was located on the lateral side of the left knee, about 4 cm × 3 cm. The local swelling and skin temperature were elevated, the texture was tough and inactive, tenderness was felt, the left lower extremity skin feeling was good , Toe activity is good. X-ray showed: outside the left knee joint soft tissue irregular patchy density increased shadow, the border is clear, no changes in the adjacent bone (Figure 1). Intraoperative see the tumor size of about 4 cm × 3 cm × 3 cm, no capsule, the border is unclear, and tendon adhesions heavier, with no significant relationship with the bone and joint, cut point see gray-like calcification, to be dissected resection.