患者男,56岁。间断出现右下肢浮肿5年,2年前无意中发现右侧腹股沟处有一花生米大小之肿物,逐渐增大。以右侧腹股沟囊肿手术。术中见肿物位于腹膜后,上至髂前上棘约5cm,向下于腹股沟韧带下方血管腔隙穿出,沿缝匝肌内侧缘至股骨中上1/3处,向内穿过内收 Male patient, 56 years old. The edema of the right lower extremity occurred intermittently for 5 years. Two years ago, it was found that there was a peanut-sized mass in the right groin and gradually increased. The right side of the inguinal cyst surgery. During the operation, the tumor was located in the retroperitoneum, approximately 5 cm from the anterior superior iliac spine, and punctured below the vascular space under the inguinal ligament, along the medial border of the sacral muscle to the upper 1/3 of the femur. Receive