Search
Search Results
-
90Y post-radioembolization clinical assessment with whole-body Biograph Vision Quadra PET/CT: image quality, tumor, liver and lung dosimetry
PurposeEvaluation of 90 Y liver radioembolization post-treatment clinical data using a whole-body Biograph Vision Quadra PET/CT to investigate the...
-
Triple modality image reconstruction of PET data using SPECT, PET, CT information increases lesion uptake in images of patients treated with radioembolization with \(^{90}Y\) micro-spheres
PurposeNuclear medicine imaging modalities like computed tomography (CT), single photon emission CT (SPECT) and positron emission tomography (PET)...
-
Tumor response prediction in 90Y radioembolization with PET-based radiomics features and absorbed dose metrics
PurposeTo evaluate whether lesion radiomics features and absorbed dose metrics extracted from post-therapy 90 Y PET can be integrated to better...
-
High quality imaging and dosimetry for yttrium-90 (90Y) liver radioembolization using a SiPM-based PET/CT scanner
PurposeTransarterial radioembolization (TARE) with yttrium-90 ( 90 Y) microspheres is a liver-directed treatment for primary and secondary hepatic...
-
Differential centiloid scale normalization techniques: comparison between hybrid PET/MRI and independently acquired MRI
ObjectiveCentiloid (CL) scales play an important role in semiquantitative analyses of amyloid-β (Aβ) PET. CLs are derived from the standardized...
-
-
Inter-observer variability of 90Y PET/CT dosimetry in hepatocellular carcinoma after glass microspheres transarterial radioembolization
IntroductionStrong correlation has been demonstrated between tumor dose and response and between healthy liver dose and side effects. Individualized...
-
Significant artefactual noise in 90Y TOF-PET imaging of low specific activity phantoms arises despite increased acquisition time
Volumes of usual PET phantoms are about four to sixfold that of a human liver. In order to avoid count rate saturation and handling of very high 90 Y...
-
The role of PSMA PET/CT in predicting downgrading in patients with Gleason score 4+4 prostate cancer in prostate biopsy
BackgroundTo investigate the predictable parameters associated with downgrading in patients with a Gleason score (GS) 8 (4+4) in prostate biopsy...
-
Use of dose–volume histograms for metabolic response prediction in hepatocellular carcinoma patients undergoing transarterial radioembolization with Y-90 resin microspheres
IntroductionVoxel-based dosimetry offers improved outcomes in the treatment of hepatocellular carcinoma (HCC) with transarterial radioembolization...
-
Comparison of integrin αvβ3 expression with 68Ga-NODAGA-RGD PET/CT and glucose metabolism with 18F-FDG PET/CT in esophageal or gastroesophageal junction cancers
BackgroundThe primary aims of this study were to compare in patients with esophageal or esophagogastric junction cancers the potential of 68 Ga-NODAGA...
-
Comparison of the Biograph Vision and Biograph mCT for quantitative 90Y PET/CT imaging for radioembolisation
BackgroundNew digital PET scanners with improved time of flight timing and extended axial field of view such as the Siemens Biograph Vision have come...
-
The congruency of neuropsychological and F18-FDG brain PET/CT diagnostics of Alzheimer’s Disease (AD) in routine clinical practice: insights from a mixed neurological patient cohort
BackgroundDiagnostics of Alzheimer’s Disease (AD) require a multimodal approach. Neuropsychologists examine the degree and etiology of dementia...
-
Y-Prothese
The history of the aortic bifurcation, the “Y-prosthesis” for short, started with the development of different synthetic substances in the middle of...
-
Intra- and inter-operator variability in MRI-based manual segmentation of HCC lesions and its impact on dosimetry
PurposeThe aim was to quantify inter- and intra-observer variability in manually delineated hepatocellular carcinoma (HCC) lesion contours and the...
-
[18F]FE-PE2I DAT correlates with Parkinson’s disease duration, stage, and rigidity/bradykinesia scores: a PET radioligand validation study
BackgroundCorrelations between dopamine transporter (DAT) availability and Parkinson’s disease (PD) motor symptoms vary depending on the imaging...
-
Performance evaluation of dedicated brain PET scanner with motion correction system
ObjectiveVarious motion correction (MC) algorithms for positron emission tomography (PET) have been proposed to accelerate the diagnostic performance...
-
Evaluation of blood supply and metabolism in tumor, axillary lymph node and normal breast tissue with F-18 FDG PET/CT in breast cancer: comparison with pathological prognostic factors
Background and purposePerfusion parameters obtained in F-18 FDG PET/CT performed for staging purposes in breast cancers may provide additional...
