F-18 FDG PET/CT findings in two patients with hepatic angiomyolipoma with and without intratumoral hemorrhage

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Abstract

Two female patients aged 62 and 74 years underwent F-18 FDG PET/CT for evaluation of a large hepatic tumor. Subsequently, both patients underwent a partial hepatectomy which histopathologically revealed benign hepatic angiomyolipomas (AMLs). One patient with AML with a massive intratumoral hemorrhage presented with multiple foci demonstrating an increased FDG uptake along the margin of the cold defects that corresponded to low density areas within the tumor on contrast-enhanced CT, whereas the other patient with AML without any hemorrhage presented with a low FDG uptake in the tumor. This report demonstrates that benign hepatic AMLs may demonstrate increased FDG uptake if there is hemorrhage and a related inflammatory response. © 2010 by Lippincott Williams & Wilkins.

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Takanami, K., Kaneta, T., Hitachi, S., Yamada, T., Ishida, K., Rikiyama, T., … Takahashi, S. (2010). F-18 FDG PET/CT findings in two patients with hepatic angiomyolipoma with and without intratumoral hemorrhage. Clinical Nuclear Medicine, 35(1), 18–21. https://doi.org/10.1097/RLU.0b013e3181c3611f

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