Incremental Benefits of FDG Positron Emission Tomography over CT Alone for the Preoperative Staging of Ovarian Cancer
Yoshio Yoshida1,
Tetsuji Kurokawa1,
Kazumi Kawahara1,
Tatsuro Tsuchida2,
Hidehiko Okazawa3,
Yasuhisa Fujibayashi3,
Yoshiharu Yonekura3 and
Fumikazu Kotsuji1
1 Department of Obstetrics and Gynecology, Fukui Medical University
Matsuoka-Cho, Yoshida-Gun, Fukui-ken 910-1103, Japan.
2 Department of Radiology, Fukui Medical University Matsuoka-Cho, Yoshida-Gun,
Fukui-ken 910-1103, Japan.
3 Departments of Neurosurgery and the Biomedical Imaging Research Center, Fukui
Medical University Matsuoka-Cho, Yoshida-Gun, Fukui-ken 910-1103, Japan.

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Fig. 1A. 62-year-old woman with heterogeneous cyst of liver. Abdominal
CT scan shows heterogeneous cystic lesion with suspected parenchymal liver
metastasis (arrow) but no peritoneal implants on liver surface.
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Fig. 1B. 62-year-old woman with heterogeneous cyst of liver.
Whole-body FDG positron emission tomography scan in maximum intensity
projection does not indicate significant FDG uptake in liver parenchyma
(thin arrows) beside hot spot at liver surface (thick
arrow).
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Fig. 1C. 62-year-old woman with heterogeneous cyst of liver.
Photograph obtained during surgery reveals small peritoneal implant (< 1
cm) (arrow) on abdominal wall above liver surface.
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Fig. 2A. Surgically confirmed paraaortic lymph node metastasis in
84-year-old woman. Abdominal CT scan indicates normal-sized lymph node
(arrow).
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Fig. 2B. Surgically confirmed paraaortic lymph node metastasis in
84-year-old woman. FDG positron emission tomography scan shows significant
increase in FDG uptake (arrow) in serous adenocarcinoma.
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Copyright © 2004 by the American Roentgen Ray Society.