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Aggressive renal angiomyolipoma with vena cava extension: A case report and literature review

机译:侵袭性肾血管平滑肌脂肪瘤伴腔静脉扩张:一例报道并文献复习

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摘要

Renal angiomyolipoma (AML) is the most common type of benign mesenchymal tumor of the kidney. AMLs typically present as benign lesions without local invasion. However, the tumor may exhibit aggressive behavior. Intravascular extension into the inferior vena cava (IVC) and hemorrhagic aneurysm formation associated with AML has rarely been reported in the past. In the current study, the novel case of a 77-year-old female is described who presented with a tumor thrombus extending to the IVC. The patient subsequently underwent a radical nephrectomy and an IVC tumor thrombectomy. In addition, the available literature regarding this unusual complication of a common renal neoplasm has been reviewed. It is essential for radiologists and clinicians to be aware that AMLs may exhibit these types of aggressive behaviors.
机译:肾血管平滑肌脂肪瘤(AML)是最常见的肾脏良性间质瘤类型。 AML通常表现为良性病变,无局部浸润。但是,肿瘤可能表现出侵略性行为。过去很少有人报道血管内伸入下腔静脉(IVC)和与AML相关的出血性动脉瘤形成。在当前的研究中,描述了一名77岁女性的新病例,其表现为肿瘤血栓延伸至IVC。患者随后接受了根治性肾切除术和IVC肿瘤血栓切除术。此外,已有文献综述了这种常见的肾脏肿瘤的异常并发症。放射科医生和临床医生必须意识到AML可能会表现出这类侵略行为。

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