直肠癌是指齿线至乙状结肠交界处之间的肿瘤[1]。为了引起临床医生的重视和提高对儿童直肠癌的认识，现将我院1993～1995年收治误诊的2例报告如下。1病历报告例1：男，12岁。因腹痛、腹胀15天，伴恶心、呕吐3天于1995年1月10日入院。入院检查生命体征平稳、消瘦，脱水征，贫血 Rectal cancer refers to the line between the dentate and sigmoid colon tumors [1]. In order to arouse the attention of clinicians and improve the awareness of children with rectal cancer, now our hospital from 1993 to 1995 received two cases of misdiagnosis reported as follows. 1 case report 1: male, 12 years old. Due to abdominal pain, abdominal distension for 15 days, with nausea, vomiting 3 days in January 10, 1995 admission. Admission check vital signs stable, weight loss, dehydration sign, anemia