患者男,7 1岁,主因右肩部肿物7 d,于2 0 0 6年3月7日入院。体查:右侧肩部可触及一约6 cm大小类半球形肿物,表面皮肤颜色、温度正常,无血管扩张,质地中等,基底固定,无压痛、无波动感。肩关节活动无受限。颈部、锁骨上淋巴结未触及肿大。心、肺、乳房未见异常。腹部平坦,柔软无压 The patient male, 7 1 year old, was admitted to the hospital on March 7, 2006 due to a 7-day mass of his right shoulder. Physical examination: The right shoulder can touch a hemispherical mass with a size of about 6 cm. The skin color and temperature are normal, no blood vessels expand, and the texture is medium. The basement is fixed and there is no tenderness or wave motion. Shoulder motion is unlimited. Neck and supraclavicular lymph nodes were not enlarged. No abnormalities were found in heart, lungs and breasts. Flat belly, soft and pressureless