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Mostrando 921 - 940 Resultados de 5,786 Para Buscar '"Rois"', tiempo de consulta: 0.15s Limitar resultados
  1. 921
    “…Individual lesion maps were registered to the Desikan-Killiany atlas in FreeSurfer 6.0 to define regions of interest (ROI). Independent linear regressions assessed relationships between executive function performance and region-specific WMH in frontal lobe ROIs. …”
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    Frontal White Matter Hyperintensities and Executive Functioning Performance in Older Adults
  2. 922
    “…Small, medium, large, and whole ROIs (S-ROI, M-ROI, L-ROI, and W-ROI, respectively) were utilized for CT attenuation value of tumor (AVT), lesion-to-cortex attenuation (L/C), and heterogeneous degree of tumor (HDT) calculations. …”
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    Use of specific contrast-enhanced CT regions of interest to differentiate renal oncocytomas from small clear cell and chromophobe renal cell carcinomas
  3. 923
    “…(B) Regions of interest (ROIs) were drawn around the implant (Infected target) and in the heart (uninfected non-target). …”
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    983. Pathogen-specific PET/CT imaging for Gram negative implant-associated spinal infections
  4. 924
    “…A total of 47 specified regions-of-interest (ROIs) were generated based on CD45, CD8, and PanCK morphological staining. …”
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    Exploring Spatial Heterogeneity of Immune Cells in Nasopharyngeal Cancer
  5. 925
    “…We performed linear regression analyses using [(18)F]flortaucipir BP(ND) ROIs as independent and GM density (ROI or voxelwise) as dependent variable. …”
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    Associations between quantitative [(18)F]flortaucipir tau PET and atrophy across the Alzheimer’s disease spectrum
  6. 926
    “…These regions were manually delineated on the preoperative CT scans, and were drawn to replicate the ROIs placed on the postoperative studies. ROI’s were overlaid on the fused static 18F-PET images and standard uptake values (SUVs) calculated for these regions as well as the whole foot. …”
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    2019 Roger A. Mann Award Winner: Imaging of Bone Perfusion and Metabolism in Subjects Undergoing Total Ankle Arthroplasty Using 18F-Positron Emission Tomography
  7. 927
    “…RESULTS: rs-EPI DWI (ICCs: 0.916, 0.797 and 0.781) and rFOV DWI (ICCs: 0.850, 0.595 and 0.750) showed higher reproducibility (ICCs: ROI(1), ROI(2) and ROI(3)) of mean ADC value in all three ROIs than ss-EPI DWI (ICCs: 0.810, 0.442 and 0.379). …”
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    Reproducibility and feasibility of optic nerve diffusion MRI techniques: single-shot echo-planar imaging (EPI), readout-segmented EPI, and reduced field-of-view diffusion-weighted imaging
  8. 928
    “…Radiomic analysis on these pancreatic ROIs consisted of first order quantitative texture analysis features such as kurtosis, skewness, and fat quantification. …”
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    Can Imaging Using Radiomics and Fat Fraction Analysis Detect Early Tissue Changes on Historical CT Scans in the Regions of the Pancreas Gland That Subsequently Develop Adenocarcinoma?
  9. 929
    “…Clinician generated segmentation of tumor and healthy tissue regions of interest (ROIs) on medical images is crucial for radiotherapy. …”
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    Large scale crowdsourced radiotherapy segmentations across a variety of cancer anatomic sites
  10. 930
    “…The quantitative US measurements for the SWE (m/s/kPa), the SWD (kPa-m/s/kHz) and the ATI (dB/cm/MHz) were acquired after the mean value of five regions of interest (ROIs) was calculated. The liver MRI (3T) quantification of hepatic steatosis was performed by acquiring proton density fat fraction (PDFF) mapping sequences and placing five ROIs in artifact-free areas of the PDFF scan, measuring the fat-signal fraction. …”
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    Different Ultrasound Shear Wave Elastography Techniques as Novel Imaging-Based Approaches for Quantitative Evaluation of Hepatic Steatosis—Preliminary Findings
  11. 931
    “…We focused on rsFC of a priori determined Regions-of-Interest (ROIs) guided by the literature (i.e., amygdala, anterior and posterior insula, anterior cingulate cortex, and medial prefrontal cortex). …”
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    A longitudinal mediation study of peer victimization and resting-state functional connectivity as predictors of development of adolescent psychopathology
  12. 932
    “…The regions of interest (ROIs) were segmented manually, and 833 radiomic features were extracted from red, green, blue color channels and grayscale of ROIs using Pyradiomics, respectively. …”
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    Musculoskeletal Ultrasound Image‐Based Radiomics for the Diagnosis of Achilles Tendinopathy in Skiers
  13. 933
    “…RESULTS: For five nodal metrics, analysis of variance (ANOVA; P < .05) reveals the region of interest (ROI) in gray matter (GM) Broca’s area for Pittsburgh compound B (PiB) tracer type. …”
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    Tracking the Progression and Influence of Beta-Amyloid Plaques Using Percolation Centrality and Collective Influence Algorithm: A Study Using PET Images
  14. 934
    “…Then, from each ROI, we extracted radiomic features by means of different pre-trained CNNs. …”
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    A CT-based transfer learning approach to predict NSCLC recurrence: The added-value of peritumoral region
  15. 935
    “…Three regions of interests (ROIs) were placed on the PSD, superior sagittal sinus (SSS), and cortical vein. …”
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    Assessment of Meningeal Lymphatics in the Parasagittal Dural Space: A Prospective Feasibility Study Using Dynamic Contrast-Enhanced Magnetic Resonance Imaging
  16. 936
    “…We tested for HC versus LCov differences in connectivity between each pair of the 20 regions (ROI-to-ROI) and between each ROI and the rest of the brain (ROI-to-voxel). …”
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    Altered brain connectivity in Long Covid during cognitive exertion: a pilot study
  17. 937
    por Abdo, Rober, Li, Shawn S, Zhang, Qi
    Publicado 2023
    “…Spatial RNAseq was performed while PanCK, CD45, and GFAP were used as morphology markers to annotate the regions of interest (ROIs). For each patient, five ROIs were analyzed: primary breast cancer (BC), primary breast cancer microenvironment (BCME), metastatic tumor cells (MTC), immediate TBME (iTBME), and distant TBME (dTBME). …”
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    THE SPATIAL TRANSCRIPTOMIC LANDSCAPE OF BREAST CANCER BRAIN METASTASIS
  18. 938
    “…The data analysis steps then require processing of the fluorescent signal localization within these ROIs into discrete nanofoci, which can be further analyzed. …”
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    Three-color dSTORM Imaging and Analysis of Recombination Foci in Mouse Spread Meiotic Nuclei
  19. 939
    “…ADC variability between patients (on each scanner separately), ADC variability due to ROI placement between the two ROIs in each organ, and variability in the subset between the first and second exams were assessed. …”
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    Variabilities in apparent diffusion coefficient (ADC) measurements of the spleen and the paraspinal muscle: A single center large cohort study
  20. 940
    “…Distribution volume (V(T)) was calculated for in 28 regions of interest (ROIs) using Logan graphical analysis and compared between groups using multiple linear regressions. …”
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    Evidence of neuroinflammation in fibromyalgia syndrome: a [(18)F]DPA-714 positron emission tomography study
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