434例太田痣患者发病特征回顾性分析

Clinical features of 434 patients with Ota's nevus:a retrospective analysis

目的描述重庆及周边地区太田痣患者发病特征及变化规律。方法收集第三军医大学西南医院整形美容科2006年1月至2011年1月临床确诊的太田痣患者434例(男性74例,女性360例;平均年龄24岁),对患者性别、年龄、发病年龄、发病时间、皮损颜色、分布及面积等情况进行统计学分析。结果受调查患者男女比例为1∶4.86,后天患病者比例约为54.61%。后天患病者中,男性发病高峰出现在儿童早期(3～5岁),女性发病的两个高峰分别是5岁以前、10～14岁。近年来后天患者比例明显升高,病程长的患者黑色皮损比例较高。结论重庆及周边地区近年太田痣的先后天发病比例随患病时间推移出现变化,皮损颜色与病程长短有关。

Objective To describe the clinical feature and changing rules of patients with Ota＇s nevus in Chongqing and its surrounding areas.Methods Four hundred and thirty-four patients with Ota＇s nevus at an average age of 24（74 males and 360 females） admitted to our hospital from January 2006 to January 2011 were included in this study.Their sex,age,onset age of disease,onset time of disease,color of skin lesion,distribution and size of skin lesions were analyzed.Results The male to female ratio was 1∶4.86.The incidence of acquired Ota＇s nevus was about 54.61%.The occurrence of Ota＇s nevus was peaked at the age of 3 to 5 in males and at the age of 5 years and 10 to 14 year in females.The percentage of patients with acquired disease and those with black skin lesions was significantly increased in resent years.Conclusion The incidence of congenital or acquired Ota＇s nevus changes with its onset time in Chongqing and its surrounding areas.The color of skin lesion is related with the course of Ota＇s nevus.