皮肤镜辅助诊断女童难辨认毳毛癣1例  

Diagnosis of a girl with indistinguishable tinea of vellum haiRby dermatoscopy

作　　者：李美荣[1] 刘文韬 吴榕 尹颂超[1] 冯佩英[1] LI Meirong;LIU Wentao;WU Rong;YIN Songchao;FENG Peiying(The Department of Dermatology,Third Affiliated Hospital,Sun Yat-sen University,Guangzhou 510630,China)

机构地区：[1]中山大学附属第三医院,广州510630

出　　处：《中国真菌学杂志》2023年第4期344-346,共3页Chinese Journal of Mycology

摘　　要：患儿,女,6岁。临床表现以右侧面颊淡红斑为主,未见明显鳞屑或脓疱,在皮肤镜下发现病变毳毛变短,根部有少许鳞屑,拔取病变毳毛进行荧光染色后在荧光显微镜下病变毳毛毛根部被发出亮蓝色荧光的有隔无色透明菌丝包绕,菌丝沿着毛干方向生长,部分菌丝游离向周围伸展,镜下未见皮屑中有真菌菌丝或者孢子。形态学及分子生物学鉴定该病原菌为太田节皮菌(犬小孢子菌为无性期)。诊断:儿童难辨认毳毛癣。予口服伊曲康唑胶囊100 mg,每日一次,局部外用特比萘芬乳膏。4周后随访,患儿面部背景颜色恢复正常,真菌镜检(-),予停药观察。随访3个月无复发。A 6-year-old girl presented with a light erythema on heRright cheek with no scales oRpustules.UndeRdermoscopy,the diseased haiRwas found to be shortened with a few scales on the root.By fluorescent staining,the diseased haiRwas surrounded by transparent hyphae which emitted bright blue fluorescence,and the hyphae grew along the direction of the haiRshaft,some of which were extended to the surroundings.No hyphae oRspores were found in the dandruff undeRthe dermoscopy.The pathogen was identified by morphology and moleculaRbiology as Athroderma otae(teleomorph of Microsporum canis).The diagnosis of tinea of vellus haiRon a child’s face was made.Oral itraconazole capsule 100 mg/d and topical terbinafine cream were administrated.AfteR4 weeks’follow-up,the child’s facial background coloRreturned to normal,and microscopic examination showed negative result,so the medications were stopped.There was no recurrence in 3 months’follow-up.

关 键 词：面部毳毛癣 皮肤镜 难辨认癣 

分 类 号：R756[医药卫生—皮肤病学与性病学]