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Medical 3D Printing for the Radiologist.

3D printing from images generated and interpreted by radiologists presents particular challenges, including training, materials and equipment, and guidelines, and the overall costs of a 3D printing laboratory must be balanced by the clinical benefits.
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Simulated 50 % radiation dose reduction in coronary CT angiography using adaptive iterative dose reduction in three-dimensions (AIDR3D)

Simulated radiation dose reduction applied to clinical coronary CTA images suggests that a 50 % reduction in radiation dose can be achieved with adaptive iterative dose reduction software with image quality that is at least comparable to images acquired at standard radiation exposure and reconstructed with filtered back projection.
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Neurite orientation dispersion and density imaging in the substantia nigra in idiopathic Parkinson disease

Neurite orientation dispersion and density imaging (NODDI) is a new diffusion MRI technique that estimates neurite microstructure more specifically than diffusion tensor imaging and is likely to be useful for diagnosing PD and assessing its disease progression.
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Myelin Measurement: Comparison Between Simultaneous Tissue Relaxometry, Magnetization Transfer Saturation Index, and T1w/T2w Ratio Methods

The high correlation between SyMRI and MTsat indicates that both methods are similarly suited to measure myelin in the WM, whereas T1w/T2w ratio may be less optimal.
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A novel method for non-invasive plaque morphology analysis by coronary computed tomography angiography

The labeling method demonstrates superior correlation to VH-IVUS for measures of fibrotic and necrotic core areas within non-calcified coronary atherosclerotic plaques, and offers an alternative to conventional CT-number based analyses for plaque morphology.
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CT angiography: current technology and clinical use.

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Connectome analysis with diffusion MRI in idiopathic Parkinson's disease: Evaluation using multi-shell, multi-tissue, constrained spherical deconvolution

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Synthetic MRI in the Detection of Multiple Sclerosis Plaques

In this retrospective study, synthetic T2-weighted, FLAIR, double inversion recovery, and phase-sensitive inversion recovery images were produced in 12 patients with MS after quantification of T1 and…
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To investigate dose reduction and comparability of standard dose CT vs Ultra low dose CT in evaluating pulmonary emphysema.

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Linearity, Bias, Intrascanner Repeatability, and Interscanner Reproducibility of Quantitative Multidynamic Multiecho Sequence for Rapid Simultaneous Relaxometry at 3 T: A Validation Study With a…

Quantitative values derived from the MDME sequence are overall robust for brain relaxometry and volumetry on 3 T scanners from different vendors, and caution is warranted when applyingMDME sequence on anatomies with relaxometry values outside the range of those typically observed in brain tissue.
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