广州地区241例头癣及病原菌分布情况分析

Clinical and mycological analysis of 241 cases of tinea capitis in Guangzhou region

目的了解广州地区头癣及其病原菌分布情况。方法对1997年2月至2010年8月在本院皮肤科诊治的241例头癣患者资料进行回顾性分析。结果241例头癣患者中白癣179例占74．27％，脓癣34例占14．11％，黑点癣28例占11．62％，未发现黄癣。病原菌中犬小孢子菌182株占80．89％，紫色毛癣菌25株占11．11％，须毛癣菌10株占4．44％，断发毛癣菌3株占1．33％，红色毛癣菌2株占0．89％，石膏样小孢子菌2株占0．89％，疣状毛癣菌1株占0．44％。患者年龄段分层分析结果显示，主要感染人群为学龄前儿童占39．00％。结论广州地区头癣中自癣所占比例最高；犬小孢子菌为头癣患者的主要致病菌；主要感染人群为学龄前儿童。

Objective To make a clinical and mycological analysis of tinea capitis in Guangzhou re- gion. Methods A retrospective analysis was performed on 241 cases of tinea capitis collected from Feb, 1997 to Aug, 2010 in the Department of Dermatology, Sun Yet-sen Memorial Hospital. Results Among the 241 cases, 179 （74.27%） were tinea alba, 34 （14.11%） tinea kerion, 28 （11.62%） black dot ringworm, and no favus was observed. The dominant pathogenic fungi in decreasing order were Microsporum canis （182, 80.89%）, Trichophyton violaceum （25, 11.11%）, Tdchophyton mentagrophytes （10, 4.44%）, Tnchophyton tonsurans （3, 1.33%）, Trichophyton rubrum （2, 0.89% ）, Microsporum gypseum （2, 0.89% ） and Triehophyton verrucosum （1, 0.44%）. Children were the main population （39.00%） suffering from tinea capitis. Conclu- sions In Guangzhou region, tinea alba is the most common type of tinea eapitis, Microsporum canis is the main causative pathogen, and children are the predominate population affected by tinea capitis.