目的探讨腹膜后淋巴结切除术在初治及复发卵巢恶性生殖细胞肿瘤（OGCT）患者中对肿瘤复发及患者生存的影响。

Objective To evaluate the impact of lymphadenectomy on the relapse and survival of malignant ovarian germ cell tumor(OGCT).

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结论腹腔镜腹膜后肿瘤切除术具有微创、安全等优点，尤其适用于囊性或体积较小的良性腹膜后肿瘤。

Conclusion Laparoscopic management is safe and less traumatic in selected patients, especially for those with cystic or small and benign retroperitoneal tumors.

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