Abstract
To compare 123I-metaiodobenzylguanidine (MIBG) and [Fluorine-18]-2-fluoro-2-deoxy-d-glucose (FDG) positron emission tomography (PET) in 22 patients with phaeochromocytomas
and paragangliomas (PGL) retrospectively and to evaluate the correlation between FDG
uptake and Ki-67 proliferative index. Fourteen of 17 (82%) patients at initial diagnosis
had positive FDG uptake, more intensely in PGL. Eleven of 12 (92%) patients had positive
MIBG uptake. PET and MIBG scintigraphy were concordant in 10 patients, discordant
in 6. Combined results yielded no false negative findings and are complementary. Neither
maximum standardised uptake value nor visual scores on MIBG correlated with Ki-67.
Keywords
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Article info
Publication history
Published online: September 16, 2013
Accepted:
July 24,
2013
Received:
May 17,
2013
Footnotes
☆Conflict of interest: None.
☆☆Funding source: None.
Identification
Copyright
© 2013 Elsevier Inc. Published by Elsevier Inc. All rights reserved.