2008
DOI: 10.2967/jnmt.108.052555
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Quantitative Assessment of the Influence of Location, Internal Temperature, Idle Time, and Normalization on the Sensitivity of a Mobile PET/CT Scanner

Abstract: The superiority of PET/CT and 18 F-FDG imaging in cancer assessment has created the need in rural community hospitals to acquire this technology. However, high cost and lack of patient volume have prohibited these institutions from attaining in-house scanners. By using mobile PET/CT scanners, small rural hospitals are able to deliver this valuable clinical tool to their patients. As mobile PET/CT scanners are shifted from one site to another, however, they are exposed to harsher and frequently varying ecologic… Show more

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Cited by 3 publications
(2 citation statements)
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“…7 The random fraction as a function of the random rate before (closed circles) and after (open circles) the overhaul dropped by replacing the gantry cooling fans, and the reduction in temperature causes an increase in scintillator light output [20] and then changes in PMT gain. This is consistent with previous reports in a clinical PET scanner [21,22]. However, we could not evaluate sensitivity changes at the early stage of installation because the data from time 0 to 4 years after installation were lost.…”
Section: Discussionsupporting
confidence: 87%
“…7 The random fraction as a function of the random rate before (closed circles) and after (open circles) the overhaul dropped by replacing the gantry cooling fans, and the reduction in temperature causes an increase in scintillator light output [20] and then changes in PMT gain. This is consistent with previous reports in a clinical PET scanner [21,22]. However, we could not evaluate sensitivity changes at the early stage of installation because the data from time 0 to 4 years after installation were lost.…”
Section: Discussionsupporting
confidence: 87%
“…FDG-PET/CT of liver grafts may also imply prognostic information concerning the acceptance of the organ by the recipient or later rejection. On-machine assessment by PET/CT may be accomplished if the perfusion machine fits into a PET/CT gantry or with newly developed portable PET/CT devices [39,40].…”
Section: Discussionmentioning
confidence: 99%