卵巢畸胎瘤是妇产科常见病、多发病[1-2],而发生于肠系膜的畸胎瘤临床上十分罕见。肠系膜畸胎瘤缺乏特征性的症状与体征,临床医师又对此类疾病认识不足,术前往往误诊为卵巢畸胎瘤,明确诊断需要依靠术中探查及术后的病理学检查。为进一步加强对该类疾病的认识,我们就肠系膜畸胎瘤的临床特点、诊断与鉴别诊断要点、临床治疗措施作一回顾性分析。1概述畸胎瘤是来源于性腺或胚胎中的全能细胞肿瘤[3],根据其 Ovarian teratoma is a common disease in obstetrics and gynecology, frequently-occurring disease [1-2], while in the mesentery of the teratoma is clinically very rare. Mesentery teratoma lack of characteristic symptoms and signs, clinicians and lack of understanding of such diseases, preoperative diagnosis is often misdiagnosed as ovarian teratoma, a clear diagnosis need to rely on intraoperative exploration and postoperative pathological examination. In order to further strengthen the understanding of these diseases, we retrospectively analyzed the clinical features, diagnosis and differential diagnosis points of mesentery teratoma and clinical treatment measures. 1 Overview Teratoma is derived from gonadal or embryonic totipotent cell tumors [3], according to its