Methods: Laparoscopic renal cyst decorbicatiou was performed in 9 cases through retroperitoneum.

方法: 在腹腔镜下经后腹膜行去顶减压术治疗肾囊肿患者9例.

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MFH of the retroperitoneum, head and neck were large, invasive tumors with destruction of adjacent structures.

后腹膜及头颈部之MFH为巨大, 有侵袭性之肿瘤,且常侵犯邻近器官.

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