What is your diagnosis?

[摘要] A 7-year-old boy presented with an area of alopecia ofthe left frontotemporal region (Fig.1). The parentsclaimed the lesion was noticed by the age of 2 andstayed stable since age of 3. The child was healthy withno history of any head trauma, autoimmune or mentaldisorders.

[学科分类] 皮肤病学