体表血管平滑肌瘤较少见，外伤后瘤体破裂易出血。现将2例报告如下．1临床资料例1．男，41岁，左外踝后部无痛性肿块2年．3天前砖块砸痛，关节活动无异常，包块2．（kIYX1．scm，压痛，质中，囊性感，界清，尚活动，拟为“皮脂囊肿感”，予手术切除．见淡黄色海绵样组织及血凝 Body surface vascular leiomyoma is less common, and rupture of the tumor after trauma tends to cause bleeding. Two cases are reported below. 1 Clinical data example 1. Male, 41 years old, left painless mass in the left lateral malleolus 2 years. 3 days ago, the bricks were painful and there was no abnormal joint activity. (kIYX1.scm, tenderness, qualitative, sac sexy, clear boundary, still active, intended as “sebaceous cyst flu” for surgical resection. See light yellow sponge-like tissue and blood clotting