Recurrent aphthous stomatitis (RAS), are common inflammatory lesions of the oral mucous, usually round or ovoid, circumscribed by erythematous haloes with a yellow-grey floor and mostly painful. The RAS has reached an incidence about 20% in general population, present on any aged group, especially adolescents and young adults. Etiopathogenesis of RAS is not entirely understood. Some factors involved include immune system anomalies, infections, nutritional deficiency, mucous traumatism, food or contact allergy, autoimmunity illness and cancer; together with psychiatric, genetic and environment agents. In this article, main clinical features, etiology related factors, differential diagnosis and initial study of patients consulting for RAS are presented.

译文

复发性口疮性口炎 (RAS) 是口腔粘液常见的炎性病变,通常为圆形或卵形,周围有红斑晕,地板呈黄灰色,大部分疼痛。在一般人群中,RAS的发病率约为20%,存在于任何老年人群,尤其是青少年和年轻人中。RAS的病因尚不完全清楚。涉及的一些因素包括免疫系统异常,感染,营养不足,粘液创伤,食物或接触过敏,自身免疫性疾病和癌症; 以及精神病,遗传和环境因素。本文介绍了RAS患者的主要临床特征,病因相关因素,鉴别诊断疾病和初步研究。

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