1.病例介绍 患者,陈××,女,10岁,住院号84457,于1997年7月21日入院。 患儿于3年前无明显诱因于右前臂屈侧出现一肿物,生长迅速,约拳头大小时手术切除,术后约一年肿物复发二次手术切除。于入院前7个月肿物第三次复发,曾口服药物及打针治疗(用药不详)无效来我院就诊。入院检查:一般情况佳,生命体征平稳,全身内科检查无异常发现。局部检查:右前臂屈侧可见一巨大肿物,占据整个右前臂,肿瘤周径达50厘米,左侧 1. Case Introduction Patients, Chen X, female, 10 years old, hospital number 84457, was admitted on July 21, 1997. The patient had no obvious cause of a tumor in the flexor of the right forearm 3 years ago. It grew rapidly. Surgical resection was performed when the size of the fist was about to be reached. The recurrence of the tumor was re-surgically performed for approximately one year after surgery. In the 7 months before admission, the tumor recurred for the third time. He had been treated with oral medications and injections (the medication was unknown) to our hospital. Admission examination: The general situation is good, the vital signs are stable, and there is no abnormality in the general medical examination. Local examination: A large mass can be seen on the flexion of the right forearm, occupying the entire right forearm, with a tumor circumference of 50 cm, left