Focal Fatty Replacement of the Pancreas: Usefulness of Chemical Shift MRI
Hye Jin Kim1,
Jae Ho Byun,
Seong Ho Park,
Yong Moon Shin,
Pyo Nyun Kim,
Hyun Kwon Ha and
Moon-Gyu Lee
1 All authors: Department of Radiology and Research Institute of Radiology,
University of Ulsan College of Medicine, Asan Medical Center, 388-1,
Poongnap-dong, Songpa-gu, Seoul 138-736, South Korea.

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Fig. 1A 60-year-old woman with abdominal pain of 2 months' duration and
suspected pancreatic mass as found on sonography performed at outside
hospital. Axial unenhanced CT scan shows ovoid, low-attenuation lesion with
bulging contour (arrows) in anterior aspect of head of pancreas.
Attenuation value of lesion is -17 H.
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Fig. 1B 60-year-old woman with abdominal pain of 2 months' duration and
suspected pancreatic mass as found on sonography performed at outside
hospital. Axial contrast-enhanced CT scan corresponding to A shows
heterogeneous enhancement of low-attenuation area (arrows) in
pancreas. Attenuation value of lesion is 37 H.
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Fig. 1C 60-year-old woman with abdominal pain of 2 months' duration and
suspected pancreatic mass as found on sonography performed at outside
hospital. Transverse in-phase MR image (TR/TE, 152/5.3) shows no abnormality
in head of pancreas.
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Fig. 1D 60-year-old woman with abdominal pain of 2 months' duration and
suspected pancreatic mass as found on sonography performed at outside
hospital. Transverse opposed-phase MR image (152/2.7) corresponding to
C shows hypointense mass (arrows) in head of pancreas at same
site as in A and B.
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Fig. 2A 39-year-old man with hilar cholangiocarcinoma. Axial unenhanced CT
scan shows ovoid, low-attenuation lesion (arrows) without bulging
contour in anterior aspect of head of pancreas and abutting superior
mesenteric vein. Attenuation value of lesion is -33 H.
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Fig. 2B 39-year-old man with hilar cholangiocarcinoma. Axial
contrast-enhanced CT scan corresponding to A shows heterogeneous
enhancement (arrows) of low-attenuation area in head of pancreas.
Attenuation value of lesion is 4 H.
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Copyright © 2007 by the American Roentgen Ray Society.