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Malignant renal epithelioid angiomyolipoma with aggressive behavior and distant metastasis
Wen-Chiung Lin1, Jia-Hwia Wang, Chao-Jung Wei
1Department ofRadiology, Taipei Veterans General Hospital, Taiwan, ROC. wc_lin@vghtpe.gov.tw
Journal of the Chinese Medical Association : JCMA
|August 12, 2003
Abstract:
Angiomyolipoma (AML) is a common renal tumor and mostly benign in entity. Malignant AML is extremely rare and most of them are found to be epithelioid AML histopathologically. We report the imaging features of a malignant epithelioid AML in a 58-year-old patient with liver and nodal metastases, and review the literatures. We have observed that AML of epithelioid subtype with tumoral necrosis may suggest the malignant change.