小儿发生外阴肿瘤较罕见,本院收治一例外阴软纤维瘤,报告如下。患儿,6岁。因发现外阴包块一月并迅速增大,于1988年6月8日入院。一月前家人发现患儿外阴左侧大阴唇外侧有一结节,约3cm×2cm×1.5cm,质硬、无痛。近20天结节迅速增大,突破皮肤,表面溃烂、 Occurrence of vulvar neoplasms in children is rare. In our hospital, an exceptionally soft fibroid tumor is treated. The report is as follows. The child is 6 years old. Due to the fact that the vulva was rapidly increased in January, she was admitted to hospital on June 8, 1988. A month ago, the family found a vulva on the left side of the left labia majora with a nodule of about 3cm × 2cm × 1.5cm, hard and painless. The nodules increased rapidly in the past 20 days, breaking through the skin and surface ulceration.