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Primary upper pole liposarcoma of the kidney with invasion to inferior vena cava: A case report

机译:肾原发性上极脂肪肉瘤侵犯下腔静脉1例

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摘要

Genitourinary tract liposarcoma is considered as the second most commonly reported type of sarcomas. Renal liposarcoma with tumor invasion to inferior vena cava (IVC) is distinctly rare. This tumor has a relatively indolent clinical course with risk of local recurrences (20%–85% rate) after surgery. Angiomyolipomas (AML) are the most important differential diagnosis because both are large fat-containing lesions. Herein, a patient with upper pole kidney liposarcoma with tumor invasion to renal vein and IVC is presented. The optimal management is radical nephrectomy and IVC tumor resection. Chemotherapy and radiotherapy have not shown significant survival benefit.
机译:泌尿生殖道脂肪肉瘤被认为是第二最常见的肉瘤类型。肾脂肪肉瘤伴肿瘤侵犯下腔静脉(IVC)非常罕见。该肿瘤的临床病程相对较弱,手术后有局部复发的风险(20%–85%的发生率)。血管肌脂瘤(AML)是最重要的鉴别诊断,因为两者都是大的含脂肪病变。在此,提出了患有上极肾脂肪肉瘤且肿瘤侵袭到肾静脉和IVC的患者。最佳治疗方法是根治性肾切除术和IVC肿瘤切除术。化学疗法和放射疗法并未显示出明显的生存益处。

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