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FDG PET for Giant Cavernous Hemangioma

Important Clue to Differentiate From a Malignant Vascular Tumor in the Liver

Shimada, Kotaro, MD; Nakamoto, Yuji, MD, PhD; Isoda, Hiroyoshi, MD, PhD; Saito, Hiromi, MD; Arizono, Shigeki, MD; Shibata, Toshiya, MD, PhD; Togashi, Kaori, MD, PhD

doi: 10.1097/RLU.0b013e3181f9de11
Original Article
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Giant cavernous hemangioma of the liver sometimes has a very inhomogeneous appearance with intratumoral degeneration on computed tomography or magnetic resonance imaging, and may mimic a malignant hepatic tumor, including angiosarcoma. There are many reports about F-18 fluorodeoxyglucose (FDG) uptake of angiosarcoma; however, knowledge regarding positron emission tomography findings with FDG for giant hepatic cavernous hemangioma is still limited. We herein present 2 cases of giant hepatic cavernous hemangioma in which low FDG uptake was considered helpful to differentiate from malignant hepatic tumor.

From the Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.

Received for publication March 4, 2010; accepted March 23, 2010.

Reprints: Kotaro Shimada, MD, Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606–8507, Japan. E-mail: kotaro@kuhp.kyoto-u.ac.jp.

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