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@ARTICLE{Herzog:53143,
author = {Herzog, H. and Qaim, S. M. and Tellmann, L. and
Spellerberg, S. and Kruecker, D. and Coenen, H. H.},
title = {{A}ssessment of the short-lived non-pure positron-emitting
nuclide 120{I} for {PET} imaging},
journal = {European Journal of Nuclear Medicine and Molecular Imaging},
volume = {33},
issn = {1619-7070},
address = {Heidelberg [u.a.]},
publisher = {Springer-Verl.},
reportid = {PreJuSER-53143},
pages = {1249 - 1257},
year = {2006},
note = {Record converted from VDB: 12.11.2012},
abstract = {The non-pure positron-emitting iodine isotope (120)I
(T(1/2)=81 min) is a short-lived alternative to (124)I.
(120)I has a positron abundance more than twice that of
(124)I and a maximum positron energy of 4 MeV. This study
was undertaken to evaluate and characterise the qualitative
and quantitative PET imaging of (120)I.(120)I was produced
via the (120)Te(p,n) reaction on highly enriched (120)Te.
The measurements were done with the Siemens scanner HR+ and
the 2D PET scanner GE PC4096+. A cylinder containing three
cold inserts and a phantom resembling a human brain slice
were used to evaluate half-life, positron abundance and
background correction. To analyse the image resolution, a
-mm tube placed in water was filled with (120)I and (18)F.
Comparisons with (18)F, (124)I and (123)I (measured with
SPECT) were made using the Hoffman 3D brain phantom.The
half-life of 81.1 min was reproduced by the PET
measurements. The PET-based positron abundance ranged from
$47.9\%$ to $55.0\%.$ The reconstructed image resolution
found with the HR+ was 5.4 mm FWHM (12.3 mm FWTM), in
contrast to 4.6 mm (8.6 mm) when using (18)F. Erroneous
positive and negative numbers of radioactivity found in the
cold inserts became nearly zero when the background of
gamma-coincidences was corrected for. Images of the Hoffman
phantom were inferior to those obtained when (18)F or (124)I
was applied but superior to the (123)I-SPECT images.Our data
show that (120)I of high radionuclidic purity can be
regarded as a suitable nuclide for the PET imaging of
radioiodine-labelled pharmaceuticals.},
keywords = {Brain: radionuclide imaging / Humans / Image Enhancement:
methods / Image Interpretation, Computer-Assisted: methods /
Iodine Radioisotopes: chemistry / Iodine Radioisotopes:
diagnostic use / Isotope Labeling: methods / Phantoms,
Imaging / Positron-Emission Tomography: methods /
Radiopharmaceuticals: chemical synthesis /
Radiopharmaceuticals: diagnostic use / Reproducibility of
Results / Sensitivity and Specificity / Iodine Radioisotopes
(NLM Chemicals) / Radiopharmaceuticals (NLM Chemicals) / J
(WoSType)},
cin = {IME / INC},
ddc = {610},
cid = {I:(DE-Juel1)VDB54 / I:(DE-Juel1)VDB53},
pnm = {Funktion und Dysfunktion des Nervensystems},
pid = {G:(DE-Juel1)FUEK409},
shelfmark = {Radiology, Nuclear Medicine $\&$ Medical Imaging},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:16845512},
UT = {WOS:000241522600002},
doi = {10.1007/s00259-006-0176-5},
url = {https://juser.fz-juelich.de/record/53143},
}