Ma Hui-Jun, Yang Yang, Ma Hui-Yong, Jia Chi-Yu, Li Ting-Hui
Department of Dermatology, Plastic Surgery and Burn Repair Center, the 309th Hospital of Chinese PLA, Beijing, China.
Ann Dermatol. 2013 Aug;25(3):365-7. doi: 10.5021/ad.2013.25.3.365. Epub 2013 Aug 13.
Hypertrichosis refers to increased vellus hair growth and is independent to androgen excess. The acquired localized hypertrichosis (ALH) is one of the typical hypertrichosis, which mainly results from chronic irritation, inflammation, friction, and occlusion by plaster of Paris. Here, we report a young boy who had ALH on his right hand following a closed fracture with internal fixation and plaster cast application. The case is unusual because the hairy area is limited to the operative region of internal fixation. We suggest that the local vascular changes and skin inflammation induced by internal fixation and plaster cast application may be associated with ALH.
多毛症是指毳毛增多，且与雄激素过多无关。获得性局限性多毛症（ALH）是典型的多毛症之一，主要由慢性刺激、炎症、摩擦以及石膏固定引起。在此，我们报告一名年轻男孩，在闭合性骨折行内固定并应用石膏固定后右手出现了ALH。该病例不寻常之处在于多毛区域局限于内固定手术区域。我们认为内固定和石膏固定引起的局部血管变化和皮肤炎症可能与ALH有关。
