Positive [11C]Choline and Negative [18F]FDG with Positron Emission Tomography in Recurrence of Prostate Cancer
M. Picchio1,
C. Landoni2,
C. Messa2,
L. Gianolli1,
M. Matarrese3,
F. De Cobelli4,
A. Del Maschio4 and
F. Fazio1,2,3
1 Department of Nuclear Medicine, Institute H San Raffaele, Via Olgettina 60,
20132, Milan, Italy.
2 University of Milano-Bicocca, Via Olgettina 60, 20126, Milan, Italy.
3 IBFM-CNR, Via Olgettina 60, 20132, Milan, Italy.
4 Department of Radiology, Institute H San Raffaele, 20132, Milan, Italy.

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Fig. 1A. 75-year-old man with prostate cancer. FDG positron emission
tomography (PET) coronal scan crossing left femoral bone lesions is negative
for any abnormal uptake.
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Fig. 1C. 75-year-old man with prostate cancer. FDG PET coronal scan
crossing right sacroiliac bone lesion FDG is negative for any abnormal
uptake.
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Fig. 1B. 75-year-old man with prostate cancer. Methyl-11C
choline PET scan clearly shows area of focal increased uptake corresponding to
femoral metastasis (arrow) as suggested on MR imaging (not
shown).
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Fig. 1D. 75-year-old man with prostate cancer. Methyl-11C
choline PET scan clearly shows area of focal increased uptake corresponding to
sacroiliac metastasis (arrow) as suggested on MR imaging (E
and F).
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Fig. 1E. 75-year-old man with prostate cancer. Coronal spin-echo
T1-weighted MR sequence (E) and coronal short tau inversion recovery
(STIR) sequence (F) show metastatic lesion in sacroiliac joint as
hypointense on spin-echo T1-weighted MR image (arrow, E) and
hyperintense on STIR image (arrow, F).
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Fig. 1F. 75-year-old man with prostate cancer. Coronal spin-echo
T1-weighted MR sequence (E) and coronal short tau inversion recovery
(STIR) sequence (F) show metastatic lesion in sacroiliac joint as
hypointense on spin-echo T1-weighted MR image (arrow, E) and
hyperintense on STIR image (arrow, F).
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Copyright © 2002 by the American Roentgen Ray Society.