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Revista argentina de radiología
versão On-line ISSN 1852-9992
Resumo
URIBURU, Lilia M. et al. Massive renal angyomiolipoma as a cause of spontaneous retroperitoneal bleeding. Rev. argent. radiol. [online]. 2008, vol.72, n.3, pp.293-296. ISSN 1852-9992.
Introduction: The angyomiolipoma (AML) is a benign renal tumor formed by a variable amount of adipose tissue, soft tissue and blood vessels; it generally grows within the perinephric space and it usually may complicate with intra-tumoral bleeding and less frequently with perinephric and retroperitoneal bleeding, which is conditioned by the size of the lesion. Objectives: To evaluate according to the different causes of spontaneous retroperitoneal bleeding the massive AML in contrast to other causes. Material and Methods: Three patients with massive AML who presented retroperitoneal bleeding were studied. Two of them were studied by MRI with T1 and T2 sequences, after and before the administration of gadolinium, with fat supression sequences. In one patient a computed tomography (CT) pre and post iv contrast was performed. Results: All of the three patients studied showed major renal masses with sizes varying from 10 to 24 cm, as well as significant intratumoral and retroperitoneal bleeding. Conclusion: Massive AML as a cause of spontaneous retroperitoneal bleeding is a pathology to be considered.
Palavras-chave : Angyomiolipoma; Massive; Renal; Bleeding; Retroperitoneal.