幼儿黑点癣1例

A case of black dot ringworm in child

患儿,女,2岁6个月,因头皮鳞屑、黑点10个月就诊。曾被误诊为“脂溢性皮炎”。后对患儿进行伍德灯检查、皮肤镜检查,对皮屑及病发进行真菌荧光显微镜镜检及真菌培养,对真菌培养菌落进行分子生物学鉴定,诊断为紫色毛癣菌感染导致黑点癣,患儿经口服特比萘芬片和局部治疗痊愈。

A child,2 years and 6 months old,was presented to the doctor for 10 months due to scalp scaly and black dots.The case was once misdiagnosed as‘seborrheic dermatitis’.Wood lamp examination,dermoscopy,fungal fluorescence microscopy and fungal culture on the scalp scaly and hair were carried out.Molecular biological identification was used to identify fungal species.Ultimately,Trichophyton violaceum infection caused black dot ringworm was diagnosed.The patient was cured by taking terbinafine tablets and topical treatment.