Abstract #4070
Detection of cytoplasmic lipid within neuroendocrine tumors of the pancreas on chemical shift MRI
YOSHIHIKO FUKUKURA 1 , Koji Takumi 1 , Toshikazu Shindo 1 , Tomokazu Umanodan 1 , Aya Umanodan 1 , Junichi Ideue 1 , Hiroto Hakamada 1 , Kiyohisa Kamimura 1 , Masanori Nakajo 1 , and Takashi Yoshiura 1
1
Kagoshima University Graduate School of
Medical and Dental Sciences, Kagoshima, Kagoshima, Japan
We evaluated whether cytoplasmic lipids in pancreatic
neuroendocrine tumors (NETs) can be identified on
chemical shift MRI and clarify CT and MRI
characteristics of lipid-containing pancreatic NETs.
Cytoplasmic lipids were histopathologically observed in
15 of 34 NETs. Four of the 15 lipid-containing NETs
exhibited high signal on subtraction chemical shift MRI,
and signal intensity index of lipid-containing NETs was
significantly higher than that of the
nonlipid-containing NETs. Lipid-containing NETs had
similar appearances to nonlipid-containing NETs on CT
and conventional MRI. Pancreatic NETs should be included
in the differential diagnosis whenever chemical shift
MRI demonstrates lipid components within pancreatic
tumors.
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