quantitative whole body PET studies
An Investigation of the Required MR Bone Attenuation Correction for Quantitative Whole Body PET/MR Imaging Using Clinical NaF PET/CT Studies
... in PET/MR imaging and si- mulated using computed ...of PET data by using CT-simulated attenuation ...lute PET quantification accuracy was observed, with the minimal quantifica- tion difference ...
23
Feasibility of PET/CT system performance harmonisation for quantitative multicentre 89Zr studies
... NU2-2007 body phantom background compartment and spheres were filled with a 89 Zr solution of 2 kBq/mL and 20 kBq/mL, respectively, so as a 10:1 sphere to background ratio can be achieved ...by PET ...
8
Effects of ferumoxytol on quantitative PET measurements in simultaneous PET/MR whole-body imaging: a pilot study in a baboon model
... CBV studies [12], is likely high for abdominal im- aging, especially in the case of the liver where the blood volume (≈15%) is approxi- mately three times that of the brain ( ≈ ...
12
Prevalence and patterns of soft tissue metastasis: detection with true whole-body F-18 FDG PET/CT
... included one biopsy-proven actinic keratosis and one axillary skin folding which initially was misinterpreted as suspicious for skin metastasis; clinical exam of the axilla was unremarkable, and the patient has remained ...
8
Whole-body MRI versus <sup>18</sup>F-FDG PET/CT for pretherapeutic assessment and staging of lymphoma: a meta-analysis
... comprised a heterogeneous group of lymphoma subtypes with variable FDG avidities, which may potentially con- tribute to the heterogeneity in the indolent group. Thereby, a subgroup analysis was conducted and the patients ...
12
High bone turnover assessed by 18F-fluoride PET/CT in the spine and sacroiliac joints of patients with ankylosing spondylitis: comparison with inflammatory lesions detected by whole body MRI
... 18F-fluoride PET/CT (F PET/CT) has a much better spatial resolution and sensitivity ...F PET/CT within the spine and the ...by whole-body MRI in the same ...
9
Impact of Integrated Whole Body 68Ga PET/MR Imaging in Comparison with 68Ga PET/CT in Lesions Detection and Diagnosis of Suspected Neuroendocrine Tumours
... between PET/CT and PET/MR, the same set of images (with similar anatomical coverage for both modalities) was chosen by a separate nuclear medicine physician who was not involved in the ...the PET ...
10
Sensitivity of 18F-fluorodihydrotestosterone PET-CT to count statistics and reconstruction protocol in metastatic castration-resistant prostate cancer
... a whole body time-of-flight Gemini TF64 PET-CT scanner (Philips Healthcare, Netherlands) with EARL accredit- ation ...the whole blood and plasma activity concentrations, par- ent fraction, and ...
12
Monitoring scanner calibration using the image-derived arterial blood SUV in whole-body FDG-PET
... While the presented approach to monitor group- averaged BSUV to account for a potential drift in scanner calibration or inter-site calibration differences can elimi- nate systematic bias from tumor SUV evaluations, it ...
9
Whole-body 18FDG PET plus pelvic MRI in the pre-treatment assessment of cervical cancers: an alternative to the FIGO clinical staging
... with nodal involvement (N1), the 5-year overall survival is dramatically reduced by nearly 30–40% in comparison to that of patients classified as N0 [22, 23, 24]. In particular, para-aortic nodal status has been shown to ...
6
18 F Fluoride positron emission tomography/computed tomography for noninvasive in vivo quantification of pathophysiological bone metabolism in experimental murine arthritis
... Quantitative analysis of 18 F-fluoride accumulation in the period from 50 to 80 minutes after 18 F-fluoride injection or 0 to 90 minutes, respectively, was enabled by image fu- sion technology in Siemens Inveon ...
9
Clinical studies using a high sensitivity shadow shield mobile whole body monitor
... of body potassium in five subjects (Table 4 ) were made with monitors of quite different geometries and using apparently dissimilar regression lines for predicting the calibration ...
188
Optimized dual-time-window protocols for quantitative [18F]flutemetamol and [18F]florbetaben PET studies
... Shorter scan durations are better for the patient and, as such, longer breaks would be preferred. Since the 10 – 90 and 20 – 90-min intervals result in a large number of out- liers and larger bias, the 30 – 90-min ...
14
Quantitative Analysis of Simultaneous EEG Features during PET Studies for Childhood Partial Epilepsy
... We retrospectively studied 46 patients (age range, 1-17.8 years; median, 7.3 years) with intractable childhood partial epilepsy who had received PET scans with simultaneous EEG and MRI to detect epileptogenic ...
6
Cell therapy for ARDS: efficacy of endobronchial versus intravenous administration and biodistribution of MAPCs in a large animal model
... the cells were administered in the left lower lobe. The PET/CT images in the EB groups showed a small focal area of intense uptake in the lung parenchyma, corresponding to the site where the cells were delivered. ...
11
Dual effects of fibroblast growth factor 21 on hepatic energy metabolism
... weight (Rimadyl, as above) and additional fluids consisting of 500 l/day 0.9% sterile saline (Baxter Heathcare, Thetford, UK), in accordance with LASA (Laboratory Animal Science Association) guidelines. Body ...
28
Differentiation of sarcoidosis-lymphoma syndrome lesions: a case report on the use of two different positron emission tomography tracers
... Chest PET/CT findings showed irregular thickening of the bronchovascular bundles, central peribronchial shaggy consolidations in the right middle and lower lobes (SUVmax, ...
6
18F-florbetaben whole-body PET/MRI for evaluation of systemic amyloid deposition
... In our case series, in addition to the physiologic uptake in the urinary tract and enterohepatic circulatory system re- lated to clearance mechanisms and excretion pathways [12], abnormal 18 F-florbetaben retention was ...
7
Clinical value of whole body PET/CT in patients with active rheumatic diseases
... Advanced imaging techniques may enable early diagnosis and monitoring of therapy in various rheumatic diseases. To prevent irreversible tissue damage, inflammatory rheumatic disease must be diagnosed and treated in ...
12
MRI-Based Attenuation Correction in Emission Computed Tomography
... which PET/MRI is likely to excel because MRI can be used to collect movies (or more properly, “cines”) of patient motion without exposing them to any ionizing ...guide PET image reconstruction [52, ...
226