精索鞘膜积液与腹股沟斜疝为小儿外科常见疾病，临床上均可表现为腹股沟包块，诊断上二者有时会发生混淆。现对我院３例精索鞘膜积液误诊为腹股沟斜疝嵌顿报告如下。１　病例报告例１，男，１岁。右腹腹股沟疼痛性包块６小时入院，入院前曾在其他医院诊断为腹股沟斜疝嵌顿，并 Spermatic cord hydrocele and inguinal hernia is a common disease in pediatric surgery can be clinically manifested as inguinal mass, the diagnosis may sometimes confusion between the two. Now in our hospital 3 cases of spermatic cord hydrocele misdiagnosed as inguinal hernia incarceration report is as follows. 1 case report 1, male, 1 year old. Right abdominal groin painful mass admission 6 hours before admission, was diagnosed at other hospitals for inguinal hernia incarceration, and