难以解释的症状(medically unexplained symptom,MUS)是指医学无法解释的症状,表示一种状态,不是诊断性用语。消化科相关的MUS主要分为两类:无器质性消化疾病的MUS〔如功能性胃肠病(FGID)〕与器质性消化疾病伴随的MUS。其中,器质性消化疾病伴随的MUS包括炎症性肠病(IBD)残留症状(患者的各项炎症指标均处于稳定状态,但存在始终不能消退并难以解决的症状)和肝病相关MUS(肝功能正常,肝 Medically unexplained symptoms (MUS) are medically unexplained symptoms that represent a condition, not a diagnostic term. MUS associated with the Department of Gastroenterology can be divided into two categories: MUS without organic digestive disease (eg, functional gastrointestinal disease (FGID)] MUS associated with organic digestive disease. Among them, MUS associated with organic digestive diseases include residual symptoms of inflammatory bowel disease (IBD), in which all the inflammatory markers are in a steady state, but there are symptoms that can not be resolved and can not be resolved all the time; and liver related MUS Normal, liver