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  1. 2581
    “…The tumor regions of interest (ROIs) were delineated, and the corresponding texture parameters were extracted. …”
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    A radiomics nomogram for the prediction of overall survival in patients with hepatocellular carcinoma after hepatectomy
  2. 2582
    “…Spatial offsets of the primary gross tumor volume (GTV) regions of interest (ROIs) associated with the Lung1 CT series were improved on the TCIA. …”
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    FAIR‐compliant clinical, radiomics and DICOM metadata of RIDER, interobserver, Lung1 and head‐Neck1 TCIA collections
  3. 2583
    “…METHODS: MR scans were performed using a speed-optimized imaging protocol without an intravenous contrast medium including axial T2-weighted (T2w) single-shot fast spin-echo and T1-weighted (T1w) gradient-echo sequences. ROIs were drawn within the lesions to extract first-order statistics from original images using HeterogeneityCAD and PyRadiomics. …”
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    Enhancing the differentiation of pulmonary lymphoma and fungal pneumonia in hematological patients using texture analysis in 3-T MRI
  4. 2584
    “…In symptomatic patients presenting with in-stent restenosis after stent implantation and undergoing intravascular imaging with OCT, neointimal foamy macrophages were detected in 34.2% of homogenous and 43.6% of non-homogenous neointimal ROI’s evaluated. OCT-derived and histopathologically validated tissue attenuation index enables identification of neointimal foamy macrophages in stented coronary arteries. …”
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    Validation and application of OCT tissue attenuation index for the detection of neointimal foam cells
  5. 2585
    “…Therefore, we focused on these three regions of interest (ROIs) where neural changes associated with transfer were expected to occur. …”
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    Inhibitory control training reveals a common neurofunctional basis for generic executive functions and language switching in bilinguals
  6. 2586
    “…ASSESSMENT: ADC maps and (123)I‐mIBG SPECT/CT images were coregistered to the T(2)‐weighted images. (123)I‐mIBG uptake was normalized with a tumor‐to‐liver count ratio (TLCR). Regions of interest (ROIs) for primary tumor volume and different intratumor subregions were drawn. …”
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    Comparison Between Diffusion‐Weighted MRI and (123)I‐mIBG Uptake in Primary High‐Risk Neuroblastoma
  7. 2587
    “…METHODS: GC was formed in 5 pigs and serosal StO(2)% was quantified at 3 regions of interest (ROI) using HSI: fundus (ROI-F), greater curvature (ROI-C), and pylorus (ROI-P). …”
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    Quantitative serosal and mucosal optical imaging perfusion assessment in gastric conduits for esophageal surgery: an experimental study in enhanced reality
  8. 2588
    “…Four DL models were proposed: two single-DL model using gross ROI (model 1) or full ROI patches (model 3) from baseline CT images, and two serial-DL models using gross ROI (model 2) or full ROI patches (model 4) from consecutive CT images (baseline scan and 3-month follow-up scan). …”
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    Consecutive Serial Non-Contrast CT Scan-Based Deep Learning Model Facilitates the Prediction of Tumor Invasiveness of Ground-Glass Nodules
  9. 2589
    “…The measurements were performed at nine different anatomical locations using a freehand ROI method. The data extracted from the ROIs included the regional mean values, intra- and inter-observer variability and reliability. …”
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    Reliability of the freehand region-of-interest method in quantitative cerebral diffusion tensor imaging
  10. 2590
    “…Hippocampal and medial prefrontal cortex (mPFC) were defined a priori as regions of interest (ROIs). Their GM volumes were extracted in 1,563 14-year-olds from the IMAGEN database. …”
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    Immune-Related Genetic Overlap Between Regional Gray Matter Reductions and Psychiatric Symptoms in Adolescents, and Gene-Set Validation in a Translational Model
  11. 2591
    “…This technique measured VMAT2 availability within striatal regions of interest (ROI). A mixed effect model was used to compare the radioligand binding of VMAT2 between the three groups for each striatal ROI, while co-varying for sex, cognitive function and depression scores. …”
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    VMAT2 availability in Parkinson’s disease with probable REM sleep behaviour disorder
  12. 2592
    “…Using a cutoff value of 6.5%, ROI4(Tbase) had 79.2% specificity and 58.8% sensitivity in indicating the increase in the dorsal region related to the position change. …”
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    Effect of Position Change From the Bed to a Wheelchair on the Regional Ventilation Distribution Assessed by Electrical Impedance Tomography in Patients With Respiratory Failure
  13. 2593
    “…Two experienced radiologists delineated cortex and medulla regions of interest (ROIs) on SLEEK images to obtain cortex and medulla quantitative histogram parameters [Mean, Median, Percentiles (5(th), 10(th), 25(th), 75(th), and 90(th)), Skewness, Kurtosis, and Entropy] using FireVoxel. …”
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    Assessment of renal function using magnetic resonance quantitative histogram analysis based on spatial labeling with multiple inversion pulses
  14. 2594
    “…Two radiologists with experience in reading orthopaedics images independently segmented the ROIs. The whole intervertebral disc with the most obvious protrusion in the sagittal plane T(2)WI lumbar MRI as a mask (ROI) is sketched. …”
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    Application of a nomogram to radiomics labels in the treatment prediction scheme for lumbar disc herniation
  15. 2595
    “…Two approaches were used to sample T2 values: manually selected circular ROIs and whole liver analysis with Gaussian mixture models (GMM). …”
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    Evaluation of a single-breath-hold radial turbo-spin-echo sequence for T2 mapping of the liver at 3T
  16. 2596
    “…Using automated SC regions of interest (ROIs) for the full SC, cSC, and thoracic SC (tSC), the distribution volume ratio (DVR) was estimated using the brain gray matter as a reference region to evaluate SC SV2A density relative to the brain. …”
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    Feasibility of imaging synaptic density in the human spinal cord using [(11)C]UCB-J PET
  17. 2597
    “…An automatic post-processing was developed in MATLAB handling the spatial registration of DW-MRI (measured as apparent diffusion coefficient, ADC) and [(18)F]FLT image data and subsequent voxel-wise analysis of regions of interest (ROIs) in the tumor. RESULTS: Analyses were conducted on a total of 76 datasets, comprising a median of 2890 data points (ranging from 81 to 13,597). …”
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    Voxel-Based Analysis of the Relation of 3′-Deoxy-3′-[(18)F]fluorothymidine ([(18)F]FLT) PET and Diffusion-Weighted (DW) MR Signals in Subcutaneous Tumor Xenografts Does Not Reveal a Direct Spatial Relation of These Two Parameters
  18. 2598
    “…NM-MRI scans were performed 5, 30, 60 and 90 min after injection. Regions of interest (ROIs), including the caudate putamen (CP), nucleus accumbens (NAc), hippocampus (HIP), substantia nigra (SN) and crus cerebri (CC), were manually drawn by an experienced radiologist. …”
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    Evidence for Dopamine Abnormalities Following Acute Methamphetamine Exposure Assessed by Neuromelanin-Sensitive Magnetic Resonance Imaging
  19. 2599
    “…Rs-fMRI analysis showed absolute values of 20 FCs were significantly decreased in ECTS patients compared with MRI controls, which connected 16 distinct ROIs. The average SUVR of right caudate and the average of 20 FCs were positively correlated with PSI in ECTS patients (P = 0.034 and P = 0.005, respectively). …”
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    Processing speed dysfunction is associated with functional corticostriatal circuit alterations in childhood epilepsy with centrotemporal spikes: a PET and fMRI study
  20. 2600
    “…The number of voxels with reliable kinetic modeling of pyruvate-to-lactate (k(PL)) and pyruvate-to-bicarbonate (k(PB)) conversion rates within regions of interest (ROIs) before and after denoising was then compared. …”
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    Assessment of higher-order singular value decomposition denoising methods on dynamic hyperpolarized [1-(13)C]pyruvate MRI data from patients with glioma
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