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患者,男,6岁,以“右膝关节上股内侧肿物渐进肿大二年”为主诉于1991年12月9日入院。入院查体;在右膝关节上股内侧有一肿物凸起,局部皮肤正常,肿块质中等,有搏动感,压疼阳性,边缘欠清晰,肿块大小约6×6×5cm,稍可推动并可闻及血管杂音,右下肢活动及感觉正常。全身表浅淋巴结不肿大。局部 x 光拍片示右下肢膝关节上股内侧软组织内有一密度增高阴影团块,约鸡蛋大小,边缘欠清,邻近骨质无破坏。于1991年12
The patient, male, 6 years old, was admitted to hospital on December 9, 1991 as the chief complaint of progressive swelling of the medial femoral mass of the right knee for two years. Admission examination; in the right knee joint on the medial side of a tumor protruding, local skin is normal, mass is medium, there is a pulsating feeling, the pressure is positive, the edge is less clear, the size of the tumor is about 6 × 6 × 5cm, slightly promoted and Can smell and vascular murmur, right lower limb activity and feeling normal. Superficial superficial lymph nodes are not swollen. The local x-ray film showed a density-increased shadow mass in the soft tissue of the upper femoral knee of the right lower extremity. The size of the egg was about the size of the egg, the edge was less clear, and the adjacent bone was not damaged. In 1991 12