食管乳头状瘤（ｅｓｏｐｈａｇｅａｌｐａｐｉｌｌｏｍａｓ，ＥＰ）为良性鳞状上皮的息肉样肿瘤［１］．近年国外有几宗较大病例的分析，使病例提高到１００例左右，他们对ＥＰ的病因、病理和临床进行了较深入的研究。现综述如下。１ＥＰ的发生率过去一直认为ＥＰ很罕见，常常 Esophageal papillomas (EP) is a polypoid tumor of benign squamous epithelium [1]. In recent years, there have been several large cases of analysis in foreign countries, which has increased the number of cases to about 100 cases. They have conducted in-depth studies on the etiology, pathology, and clinical aspects of EP. This is summarized below. The incidence of 1EP has been considered in the past as EP is rare and often