Improvement in PET/CT image quality with a combination of point-spread function and time-of-flight in relation to reconstruction parameters
G Akamatsu, K Ishikawa, K Mitsumoto… - Journal of Nuclear …, 2012 - Soc Nuclear Med
The aim of this study was to investigate the effects of the point-spread function (PSF) and
time-of-flight (TOF) on improving 18 F-FDG PET/CT images in relation to reconstruction …
time-of-flight (TOF) on improving 18 F-FDG PET/CT images in relation to reconstruction …
Influences of point-spread function and time-of-flight reconstructions on standardized uptake value of lymph node metastases in FDG-PET
G Akamatsu, K Mitsumoto, T Taniguchi… - European journal of …, 2014 - Elsevier
Purpose The purpose of this study was to investigate the effects of point-spread function (PSF)
and time-of-flight (TOF) on the standardized uptake value (SUV) of lymph node metastasis …
and time-of-flight (TOF) on the standardized uptake value (SUV) of lymph node metastasis …
[HTML][HTML] Improvement in PET/CT image quality in overweight patients with PSF and TOF
…, G Akamatsu, Y Kasahara, K Mitsumoto… - Annals of nuclear …, 2015 - Springer
Objective The aim of this study was to evaluate the effect of the point spread function (PSF)
and time of flight (TOF) on PET/CT images of overweight patients in relation to the iteration …
and time of flight (TOF) on PET/CT images of overweight patients in relation to the iteration …
[HTML][HTML] A review of harmonization strategies for quantitative PET
G Akamatsu, Y Tsutsui, H Daisaki, K Mitsumoto… - Annals of Nuclear …, 2023 - Springer
PET can reveal in vivo biological processes at the molecular level. PET-derived quantitative
values have been used as a surrogate marker for clinical decision-making in numerous …
values have been used as a surrogate marker for clinical decision-making in numerous …
Benefits of point-spread function and time of flight for PET/CT image quality in relation to the body mass index and injected dose
G Akamatsu, K Mitsumoto, K Ishikawa… - Clinical nuclear …, 2013 - journals.lww.com
The PET image quality of overweight patients and patients who receive low injected doses
deteriorates because of increases in statistical noise. The purpose of this study was to …
deteriorates because of increases in statistical noise. The purpose of this study was to …
Impact of time-of-flight PET/CT with a large axial field of view for reducing whole-body acquisition time
…, K Uba, T Taniguchi, K Mitsumoto… - Journal of nuclear …, 2014 - Soc Nuclear Med
The aim of this study was to evaluate the imaging performance of 39- and 52-ring time-of-flight
(TOF) PET/CT scanners. We also assessed the potential of reducing the scanning time …
(TOF) PET/CT scanners. We also assessed the potential of reducing the scanning time …
A simple table lookup method for PET/CT partial volume correction using a point-spread function in diagnosing lymph node metastasis
…, N Mizoguchi, T Mitsumoto, K Mitsumoto… - Annals of nuclear …, 2010 - Springer
Objective We evaluated the partial volume effect in PET/CT images and developed a simple
correction method to address this problem. Methods Six spheres and the background in the …
correction method to address this problem. Methods Six spheres and the background in the …
Determination of the optimal acquisition protocol of breath-hold PET/CT for the diagnosis of thoracic lesions
K Mitsumoto, K Abe, Y Sakaguchi… - Nuclear medicine …, 2011 - journals.lww.com
Objective The aim of this study was to determine the optimal acquisition scan protocol for
deep inspiration breath-hold (BH) fluoro-2-deoxy-D-glucose positron emission tomography (…
deep inspiration breath-hold (BH) fluoro-2-deoxy-D-glucose positron emission tomography (…
Importance of gated CT acquisition for the quantitative improvement of the gated PET/CT in moving phantom
…, T Mitsumoto, T Zhang, K Mitsumoto… - Annals of nuclear …, 2010 - Springer
Objective The aim of this study was to investigate the utility of gated PET/CT and CT
attenuation correction (AC) for the quantitation of radioactivity. Methods An ellipse phantom …
attenuation correction (AC) for the quantitation of radioactivity. Methods An ellipse phantom …
Phantom study on three-dimensional target volume delineation by PET/CT-based auto-contouring
…, Y Tachiya, Y Sakaguchi, K Mitsumoto, T Mitsumoto… - 2010 - catalog.lib.kyushu-u.ac.jp
Objective: The aim of this study was to determine an appropriate threshold value for delineation
of the target volume in PET/CT and to investigate whether we could delineate a target …
of the target volume in PET/CT and to investigate whether we could delineate a target …