小儿腹膜后高度分化寄生胎——附1例报告

目的 报告一例高度分化寄生胎,讨论寄生胎的诊断,治疗,及预后.方法 报告本院收治的一例的腹膜后寄生胎患者的临床资料,寄生胎的外观高度分化,类似畸形胎儿.结果 患儿男,三岁,出生前B超发现为腹膜后包块,生后三年无特殊不适,B超及CT检查均提示腹膜后巨大畸胎瘤.行剖腹探查,腹膜后肿物切除术,术中见肿瘤呈类似胎儿外观,术后病理诊断为寄生胎.结论 寄生胎少见,寄生胎高度分化者更为罕见,临床症状不典型,术前诊断常与畸胎瘤相鉴别,术前CT可见椎骨或长骨可鉴别,一旦确诊应行完整手术切除,该病预后较好,但仍有恶变可能.

Well-differentiated fetus in fetu in the retroperitoneum

Objective To report a case of well-differentiated fetus in fetu and to approach its diagnosis,treatment and prognosis.Methods Review one case of Fetus in fetu accepted by our hospital.It was well-differentiated,looked like a featus anomalies.Results A 3-year-old boy who was detected to have a mass with antenatal ultrasound scan had no symptom during the three years.Abdominal ultrasonography and abdominal computed tomography(CT)scan showed retroperitoneal findings.After surgery,the pathologic diagnosis is fetus in fetu.Conclusion Well-differentiated fetus in fetu in the retroperitoneum is a rare case,which has no typical symptom.Differential diagnosis is usually teratoma.We can distinguish fetus in fetu with CT showing vertebral axis or limbs.Once been diagnosed,it should be operated completely.It has a good prognosis,but still has potential to develop into malignant tissue.