A case of retroperitoneal liposarcoma that was removed after transarterial embolization is reported. A 62-year-old man was admitted with body weight loss and general fatigue. Computed tomography revealed an extrarenal tumor, 27 x 17 x 11 cm in size, in the left retroperitoneal space. Arteriography revealed that the hypervascular tumor was fed from the left renal artery, the left adrenal artery and the left lumber arteries (L1-L4). At first the patient underwent transarterial embolization of the left renal artery and the left lumbar arteries (L1, L3, L4). Twenty-two days later he underwent surgical excision of the tumor with combined resection of the left kidney and the descending colon. The resected tissue weighed 2,500 g. Histological examination revealed liposarcoma, pleomorphic type. His postoperative course was uneventful, and he has remained free of disease for 15 months.
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机译：据报道一例经动脉栓塞后被切除的腹膜后脂肪肉瘤。一名62岁的男子因体重减轻和全身疲劳而入院。计算机体层摄影术显示左腹膜后间隙有一个肾上腺肿瘤，大小为27 x 17 x 11厘米。动脉造影显示，高血管肿瘤由左肾动脉，左肾上腺动脉和左腰大动脉（L1-L4）提供。首先，患者经历了左肾动脉和左腰动脉（L1，L3，L4）的动脉栓塞术。 22天后，他接受了左肾和降结肠的联合切除手术切除了肿瘤。切除的组织重2500克。组织学检查发现脂肪肉瘤为多形型。术后病情平稳，并且15个月没有疾病。
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