Articles with "diffusion coefficient" as a keyword



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Associations between apparent diffusion coefficient values and histopathological tissue alterations in myopathies

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Published in 2020 at "Brain and Behavior"

DOI: 10.1002/brb3.1809

Abstract: Diffusion‐weighted imaging (DWI) can reflect histopathologic changes in muscle disorders. The present study sought to elucidate possible associations between histopathology derived from muscle biopsies and DWI in myositis and other myopathies. read more here.

Keywords: coefficient values; values histopathological; diffusion; diffusion coefficient ... See more keywords

Diffusion‐weighted MRI of pulmonary lesions: Comparison of apparent diffusion coefficient and lesion‐to‐spinal cord signal intensity ratio in lesion characterization

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Published in 2017 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.25426

Abstract: To evaluate the diagnostic performance of minimum apparent diffusion coefficient (ADCmin) and lesion‐to‐spinal cord signal intensity ratio (LSR) in the differentiation of benign and malignant pulmonary lesions. read more here.

Keywords: diffusion; diffusion coefficient; lesion spinal; apparent diffusion ... See more keywords

Apparent diffusion coefficient in estrogen receptor‐positive and lymph node‐negative invasive breast cancers at 3.0T DW‐MRI: A potential predictor for an oncotype Dx test recurrence score

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Published in 2018 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.25796

Abstract: To measure the apparent diffusion coefficient (ADC) values in estrogen receptor‐positive (ER+) and axillary lymph node‐negative (LN–) invasive breast cancer and investigate the correlation of ADC with Oncotype Dx test recurrence scores (ODxRS). read more here.

Keywords: diffusion coefficient; receptor positive; node negative; apparent diffusion ... See more keywords

Apparent Diffusion Coefficient MRI Shows Association With Early Progression of Unresectable Intrahepatic Cholangiocarcinoma With Combined Targeted‐Immunotherapy

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Published in 2022 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.28214

Abstract: Most intrahepatic cholangiocarcinomas (ICCs) are diagnosed at advanced stage with an extremely poor prognosis. For these patients, combining targeted therapies and immunotherapy may have a promising therapeutic effect, and current Response Evaluation Criteria in Solid… read more here.

Keywords: association early; diffusion coefficient; mri shows; apparent diffusion ... See more keywords

Apparent Diffusion Coefficient Reproducibility Across 3 T Scanners in a Breast Diffusion Phantom

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Published in 2022 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.28355

Abstract: To date, the accuracy and variability of diffusion‐weighted MRI (DW‐MRI) metrics have been reported in a limited number of scanner/protocol/coil combinations. read more here.

Keywords: diffusion; across scanners; diffusion coefficient; coefficient reproducibility ... See more keywords

Correlation of Apparent Diffusion Coefficient With Proliferation and Apoptotic Indexes in a Murine Model of Fibrosarcoma: Comparison of Four Methods for MRI Region of Interest Positioning

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Published in 2022 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.28371

Abstract: Diffusion‐weighted imaging (DWI) has demonstrated great potential in predicting the expression of tumor cell proliferation and apoptosis indexes. read more here.

Keywords: diffusion; proliferation; diffusion coefficient; correlation apparent ... See more keywords

Geometric distortion correction in prostate diffusion‐weighted MRI and its effect on quantitative apparent diffusion coefficient analysis

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Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26899

Abstract: To evaluate the effect of correction for B0 inhomogeneity‐induced geometric distortion in echo‐planar diffusion‐weighted imaging on quantitative apparent diffusion coefficient (ADC) analysis in multiparametric prostate MRI. read more here.

Keywords: geometric distortion; diffusion; diffusion coefficient; quantitative apparent ... See more keywords

Carbon dioxide diffusion coefficient in noninvasive high‐frequency oscillatory ventilation

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Published in 2019 at "Pediatric Pulmonology"

DOI: 10.1002/ppul.24333

Abstract: The carbon dioxide (CO2) diffusion coefficient (DCO 2) reflects CO 2 removal during high‐frequency oscillatory ventilation (HFOV). We hypothesized that despite leak flow during noninvasive HFOV (nHFOV) DCO 2 continues to indicate ventilation efficacy. read more here.

Keywords: high frequency; diffusion coefficient; ventilation; frequency oscillatory ... See more keywords

Diffusion coefficient matrix for multiple conserved charges: a Kubo approach

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Published in 2024 at "Journal of High Energy Physics"

DOI: 10.1007/jhep12(2024)192

Abstract: The strongly interacting matter created in relativistic heavy-ion collisions possesses several conserved quantum numbers, such as baryon number, strangeness, and electric charge. The diffusion process of these charges can be characterized by a diffusion matrix… read more here.

Keywords: diffusion coefficient; matrix; diffusion matrix; coefficient matrix ... See more keywords

Mass diffusivity of different species of wood in convective drying

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Published in 2017 at "European Journal of Wood and Wood Products"

DOI: 10.1007/s00107-017-1212-9

Abstract: This study is devoted to the determination of the diffusion coefficient in convective drying of four local wood species: Aleppo pine, Stone pine, Zeen oak and date palm. A numerical method based on a diffusive… read more here.

Keywords: wood; diffusion coefficient; convective drying; diffusivity different ... See more keywords

Numerical recovery of the diffusion coefficient in diffusion equations from terminal measurement

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Published in 2024 at "Numerische Mathematik"

DOI: 10.1007/s00211-025-01495-2

Abstract: In this work, we investigate a numerical procedure for recovering a space-dependent diffusion coefficient in a (sub)diffusion model from the given terminal data, and provide a rigorous numerical analysis of the procedure. By exploiting decay… read more here.

Keywords: diffusion coefficient; time; analysis; usepackage ... See more keywords