空、回肠原发性肿瘤(以下简称空回肠瘤)较少见,术前临床很难确诊。本科35年来共收集48例,术前均诊断为肠套叠、肠阻塞、腹膜炎,血便待查等,误诊率高达100%。现将48例经手术、病理确诊的空回肠瘤的临床特征和误诊原因作初浅分析。 Empty and ileal primary tumors (hereinafter referred to as empty ileal tumors) are rare and difficult to diagnose before surgery. In the 35 years of undergraduate study, 48 cases were collected. Preoperatively, intussusception, intestinal obstruction, peritonitis, and bloody stools were diagnosed. The rate of misdiagnosis was as high as 100%. A preliminary analysis of the clinical features and misdiagnosis causes of 48 jejunocarcinomas diagnosed by surgery and pathology was performed.