患者 ,女 ,38岁。发现右前臂包块 1年入院。 1年前 ,患者无任何诱因出现右前臂包块 ,且逐渐长大。无红热疼痛 ,无活动受限 ,无麻木 ,无盗汗 ,无胸痛咯血等 ,来院要求手术治疗。查体 :右前臂近肘关节处可见6cm× 5cm包块 ,质中偏硬 ,边缘不清 ,活动 ,无压痛 ,肘关节活动正常。化 Patient, female, 38 years old. Found that the right forearm mass 1 year admission. A year ago, the patient showed no evidence of right forearm mass and grew older. No red hot pain, no activity restriction, no numbness, no night sweats, no chest pain and hemoptysis, to the hospital for surgery. Physical examination: the right forearm near the elbow joints can be seen 6cm × 5cm mass, the mass is too rigid, the edge is unclear, activity, no tenderness, elbow activity is normal. The