Journal of magnetic resonance imaging : JMRI
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J Magn Reson Imaging · Jan 2019
Comparative StudyComparing the reproducibility of commonly used magnetic resonance spectroscopy techniques to quantify cerebral glutathione.
Cerebral glutathione (GSH), a marker of oxidative stress, has been quantified in neurodegenerative diseases and psychiatric disorders using proton magnetic resonance spectroscopy (MRS). Using a reproducible MRS technique is important, as it minimizes the impact of measurement technique variability on the study results and ensures that other studies can replicate the results. ⋯ 2 Technical Efficacy: Stage 2 J. Magn. Reson. Imaging 2019;49:176-183.
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J Magn Reson Imaging · Jan 2019
Preoperative prediction of sentinel lymph node metastasis in breast cancer by radiomic signatures from dynamic contrast-enhanced MRI.
Sentinel lymph node (SLN) status is an important prognostic factor for patients with breast cancer, which is currently determined in clinical practice by invasive SLN biopsy. ⋯ 1 Technical Efficacy: Stage 2 J. Magn. Reson. Imaging 2019;49:131-140.
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J Magn Reson Imaging · Jan 2019
Ultra-high-b radial diffusion-weighted imaging (UHb-rDWI) of human cervical spinal cord.
Injury in the cervical spinal cord (CSC) can lead to varying degrees of neurologic deficit and persistent disability. Diffusion tensor imaging (DTI) is a promising method to evaluate white matter integrity and pathology. However, the conventional DTI results are limited with respect to the specific details of neuropathology and microstructural architecture. In this study we used ultrahigh-b radial-DWI (UHb-rDWI) with b-values ranging from 0 to ∼7500 s/mm2 and calculated decay constant (DH ) at the high b-values, which gives much deeper insight about the microscopic environment of CSC white matter. ⋯ 2 Technical Efficacy: Stage 1 J. Magn. Reson. Imaging 2019;49:204-211.
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J Magn Reson Imaging · Jan 2019
A system using patient-specific 3D-printed molds to spatially align in vivo MRI with ex vivo MRI and whole-mount histopathology for prostate cancer research.
Patient-specific 3D-printed molds and ex vivo MRI of the resected prostate have been two important strategies to align MRI with whole-mount histopathology (WMHP) for prostate cancer (PCa) research, but the combination of these two strategies has not been systematically evaluated. ⋯ 2 Technical Efficacy: Stage 1 J. Magn. Reson. Imaging 2019;49:270-279.
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J Magn Reson Imaging · Jan 2019
Quantitative MRI of visually intact rotator cuff muscles by multiecho Dixon-based fat quantification and diffusion tensor imaging.
Quantitative MRI allows assessment of shoulder rotator cuff (RC) muscles by Dixon MR sequences with calculation of fractional fat content (FF%) maps and diffusion tensor imaging (DTI) including tractography. ⋯ 2 Technical Efficacy: Stage 2 J. Magn. Reson. Imaging 2019;49:109-117.