我科于近期收治1例巨大盆骶部畸服癌二次手术患者，术后骶尾部置双引流管18天，通过精心治疗，患者痊愈出院，报道如下。病例介绍患者女，35岁。5年前发现盆防部包块在当地医院行盆胀部包块部分切除术，病理诊断为良性畸胎瘤，术后《年余局部肿块复发，于1998年11月8日收治入院 In our department, we recently treated a patient who had undergone a secondary surgery for a giant pelvic malformation and had a double drainage tube placed in the sacrococcygeal fistula for 18 days. After careful treatment, the patient was cured and discharged. The report is as follows. Case Description Female patient, 35 years old. Five years ago, it was found that the pancreatic department mass was partially resectioned at the local hospital for pelvic masses, and the pathological diagnosis was benign teratoma. After the operation, the patient had relapsed after more than one year, and he was admitted to hospital on November 8, 1998.