疣是由人类乳头瘤病毒(HPV)感染引起的皮肤赘生物,临床常见,多散在分布,偶有融合[1]。炸面圈样疣最早于1959年由Findlay报告,是疣的一种特殊表现类型,国内罕有报道。近期我科诊治2例,现报告如下。1病例资料例1.女,34岁。因右手寻常疣液氮冷冻后2个月,局部出现环状皮疹3周来我科就诊。患者2014年5月因右手出现皮疹,表面粗糙,无痒痛感,渐增大,来我科就诊,诊断为寻常疣,予液 Warts is caused by the human papillomavirus (HPV) infection of the skin neoplasms, clinical common, scattered distribution, occasionally fusion [1]. Donut was first reported by Findlay in 1959 and is a special type of warts, rarely reported in China. Recent medical treatment in 2 cases, are as follows. 1 case data example 1. Female, 34 years old. Due to the right hand common wart liquid nitrogen frozen 2 months after the local ring rash 3 weeks to our department. Patients in May 2014 due to the right hand rash, rough surface, no itching and pain, increasing, to our department for treatment, diagnosis of verruca vulgaris, to the liquid