复杂性腹膜后肿瘤是一类体积巨大,侵犯毗邻的腹腔脏器及大血管,或多次复发的肿瘤。由于其解剖结构复杂,外科手术的风险和难度大。但是,外科手术仍然是目前治疗复杂性腹膜后肿瘤最重要、最有效的手段。外科医生应重视此类肿瘤的处理策略,尽可能科学、合理地切除肿瘤,达到肿瘤根治的目的,使病人获益。 Complexity Retroperitoneal tumor is a type of huge volume, violation of the adjacent abdominal organs and large blood vessels, or multiple recurrence of the tumor. Because of its complex anatomy, the risks and difficulties of surgery are large. However, surgery is still the most important and effective treatment of complex retroperitoneal tumors. Surgeons should pay attention to the treatment strategies of such tumors, as far as possible scientific and reasonable removal of the tumor, to achieve the purpose of radical tumor patients benefit.