患者男，１３岁。一年前舌面出现散在点状白膜，并有烧灼感，进刺激性食物时尤甚；在当地医院前后采用多种抗生素治疗无效，且日见加重，而转来本院。检查见舌体肥厚，舌中央有一深约５ｍｍ纵行深沟，两侧各有一平行浅沟；舌面遍布彼此不融合粟粒至绿豆大小白膜，不易脱落... Patient male, 13 years old. A year ago, scattered white conjunctiva appeared on the tongue surface with a burning sensation and was particularly irritating to the food. A variety of antibiotics were ineffective before and after the local hospital. Check to see the tongue hypertrophy, tongue center has a depth of about 5mm longitudinal deep groove, each side has a parallel shallow ditch; tongue all over each other without mixing miliary mung bean size white film, not easy to fall off ...