粘液水肿性巨结肠症（myxedememegacolon）是甲状腺功能低下引起的消化系统并发疾病，临床上少见，容易被误诊，我科遇到1例，报告如下：患者女55岁两年来常感中上腹部持续性钝痛不适。部位不固定，痛疼不向肩背部放射，并有口苦纳呆，有时恶心呕吐，便秘腹胀，懒言少动。曾在 Myxedememegacolon is a disease of the digestive system caused by hypothyroidism. It is clinically rare and easily misdiagnosed. One patient has met my department. The report is as follows: Sexual dull pain. The site is not fixed, pain does not radiate to the back of the shoulder, and mouth pain and obstruction, and sometimes nausea and vomiting, constipation abdominal distension, lazy speechless. used to be