8例下肢溃疡患者,女性5例,男性3例,除1例为骨肥大-静脉曲张综合征溃疡,其它均为静脉性溃疡。发病年龄均在60岁以上,病程5月至6年、经一般治疗无效。溃疡大小多在10cm~2以下,其中2例既往有皮肤癌病史。所有患者溃疡基底部均表现为健康的肉芽组织、边缘无珍珠样结节、毛细血 8 patients with lower extremity ulcers, 5 females and 3 males, except 1 case of hypertrophic variceal ulcers, all other venous ulcers. The age of onset was over 60 years old, and the duration of illness ranged from 5 months to 6 years and was ineffective by general treatment. The ulcer size is mostly below 10cm~2, of which 2 cases have a history of skin cancer. All patients had ulcerated basal parts with healthy granulation tissue, no pearl-like nodule at the edge, and capillary blood