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F-18 Fluorodeoxyglucose Uptake in a Solid Pseudopapillary Tumor of the Pancreas Mimicking Malignancy

Shimada, Kotaro, MD*; Nakamoto, Yuji, MD, PhD*; Isoda, Hiroyoshi, MD, PhD*; Maetani, Yoji, MD, PhD*; Yamashita, Rikiya, MD*; Arizono, Shigeki, MD*; Hirokawa, Yuusuke, MD*; Nitta, Takashi, MD, PhD; Doi, Ryuichiro, MD, PhD; Haga, Hironori, MD, PhD; Togashi, Kaori, MD, PhD*

doi: 10.1097/RLU.0b013e318187f0f0
Original Article

Solid pseudopapillary tumors (SPTs), predominantly affecting young women, are rare pancreatic tumors. It is reported that imaging features of SPT are solid and cystic components, and there is intratumoral hemorrhage and calcification. However, findings of positron emission tomography (PET) using F-18 fluorodeoxyglucose (FDG) with pathologic correlation have not been fully evaluated. We present a case of SPT that mimicked malignancy on FDG-PET.

From the Departments of *Diagnostic Imaging and Nuclear Medicine, †Surgery, and ‡Pathology, Kyoto University Graduate School of Medicine, Kyoto, Japan.

Received for publication April 16, 2008; accepted July 4, 2008.

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:

© 2008 Lippincott Williams & Wilkins, Inc.