患者男,27岁,主诉左大腿肿物1年余、破溃4个月。于1年前发现左大腿前侧出现一肿物,约蚕豆大,由皮色转为暗红色,无自觉症状。曾在当地医院拟诊为“粉瘤”,行手术切除,切口Ⅰ级愈合。术后3个月,在原处又长出一蚕豆大的硬性肿物,生长迅速,于4个月后表皮破溃,有少量脓液。经注射青 Male patient, 27 years old, complained about more than 1 year left thigh tumor, ulceration 4 months. A year ago found a tumor on the left front of the thigh, about broad beans, from skin color to dark red, no symptoms. Had in the local hospital to be diagnosed as “powder tumor,” surgical excision, incision grade I healing. 3 months after surgery, grow a large hard beans in the original place of the tumor, the rapid growth in 4 months after the ulceration of the epidermis, a small amount of pus. After injection of green