Peutz—Jeghers综合征(称PJS)是一种特殊的家族性胃肠道息肉病,其息肉可出现在全消化道。有人认为属错构瘤,极少恶变,但亦有人认为是腺瘤,属癌前病变。本文就住院4例先征者家系调查结果、息肉性质与癌进行了探讨。 1.材料和方法 1·1 对4例住院和PJS先征者进行实地调查,共发现22例患者,男性13人,女性9人。死于结肠癌10例,卵巢癌1例。调查时患者最小年龄2岁,最大年龄 Peutz-Jeghers syndrome (called PJS) is a special familial gastrointestinal polyposis disease whose polyps can appear in the digestive tract. Some people think that is a hamartoma, minimal malignant change, but some people think that adenoma, is a precancerous lesion. This article on the hospitalized 4 cases of first-line pedigree investigation, polyp nature and cancer were discussed. 1. Materials and Methods 1.1 Field investigations of 4 hospitalized and PJS pre-requisites were conducted. A total of 22 patients were found, 13 males and 9 females. 10 cases died of colon cancer, 1 case of ovarian cancer. The minimum age of patients surveyed 2 years old, the maximum age