小孩指甲空了一半怎么回事

擅长领域： 一、面部美容相关性皮肤病及面部年轻化的微整性治疗1、面部年轻化的非手术的微整形治疗肉毒素减轻眉间纹、眼角纹、额纹、矫正咬肌肥大（瘦脸）、腋下及手足多汗症等；透明质酸填充面部组织缺损及矫正治疗法令纹、木偶线、苹果肌、眼睑下陷等部位的矫正治疗；2面部美容相关性皮肤病青春期痤疮、头面部脂溢性皮炎、湿疹、面部色素沉着及色素脱失性皮肤病；3、面部美容相关的护肤指导、咨询；4、面部色素问题（太田痣、黄褐斑、雀斑、老年斑等）的激光及其联合治疗； 二、自身免疫及感染性皮肤病，如局限及系统性硬皮病、细菌及真菌感染性皮肤病、甲病；常见的自身免疫性疾病，如银屑病、湿疹、白癜风等；Cosmetic dermatology(1) facial rejuvenation by using non-surgical procedures like botox injection and filler injection; (2) cosmetic-related skin diseases such as acne, seborrheic dermatitis, eczema, facial pigmentation and depigmentation; (3) consultation on skin care; (4) laser treatment and combined treatment of pigmented diseases such as nevus of Ota, melasma, freckles, seborrheic keratosis, etc.?Autoimmune and infectious skin diseases such as scleroderma, psoriasis, vitiligo, skin/nail bacterial and fugal infection, eczema etc.

擅长领域：擅长斑秃、脂溢性脱发等毛发疾病，过敏性皮炎、扁平疣、痤疮、黄褐斑等面部疾病，硬皮病、红斑狼疮、结节性血管炎等自身免疫性疾病，尖锐湿疣、梅毒等性传播疾病的临床诊断治疗。

擅长领域：医学皮肤美容疾病和结缔组织病，尤其对面部皮肤病、湿疹皮炎、银屑病、红斑狼疮等疾病有丰富的临床经验