Medical 3D printing for the radiologist

…, AA Giannopoulos, T Cai, KK Kumamaru… - Radiographics, 2015 - pubs.rsna.org
While use of advanced visualization in radiology is instrumental in diagnosis and
communication with referring clinicians, there is an unmet need to render Digital Imaging and …

[HTML][HTML] SyMRI of the brain: rapid quantification of relaxation rates and proton density, with synthetic MRI, automatic brain segmentation, and myelin measurement

…, C Andica, M Nakazawa, KK Kumamaru… - Investigative …, 2017 - journals.lww.com
Conventional magnetic resonance images are usually evaluated using the image signal
contrast between tissues and not based on their absolute signal intensities. Quantification of …

Natural language processing technologies in radiology research and clinical applications

…, S Yu, T Kelil, B Ripley, KK Kumamaru… - Radiographics, 2016 - pubs.rsna.org
The migration of imaging reports to electronic medical record systems holds great potential
in terms of advancing radiology research and practice by leveraging the large volume of data …

CT angiography: current technology and clinical use

KK Kumamaru, BE Hoppel, RT Mather… - Radiologic …, 2010 - radiologic.theclinics.com
Before Multidetector-row Computed Tomography (MDCT), the main barriers to the clinical
implementation of Computed Tomographic Angiography (CTA) were acquisition speed and …

Frequency and severity of pulmonary hemorrhage in patients undergoing percutaneous CT-guided transthoracic lung biopsy: single-institution experience of 1175 …

…, FL Jacobson, R Madan, KK Kumamaru… - Radiology, 2016 - pubs.rsna.org
Purpose To evaluate the frequency and severity of pulmonary hemorrhage after transthoracic
needle lung biopsy (TTLB) and assess possible factors associated with pulmonary …

Neurite orientation dispersion and density imaging in the substantia nigra in idiopathic Parkinson disease

…, K Kamiya, M Suzuki, M Hori, KK Kumamaru… - European …, 2016 - Springer
Objectives We used neurite orientation dispersion and density imaging (NODDI) to quantify
changes in the substantia nigra pars compacta (SNpc) and striatum in Parkinson disease (PD…

Synthetic MRI in the detection of multiple sclerosis plaques

…, M Suzuki, KK Kumamaru… - American journal …, 2017 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Synthetic MR imaging enables the creation of various
contrast-weighted images including double inversion recovery and phase-sensitive inversion …

[HTML][HTML] Myelin Measurement: Comparison Between Simultaneous Tissue Relaxometry, Magnetization Transfer Saturation Index, and T1w/T2w Ratio Methods

…, T Maekawa, R Irie, T Takamura, KK Kumamaru… - Scientific reports, 2018 - nature.com
Magnetization transfer (MT) imaging has been widely used for estimating myelin content in
the brain. Recently, two other approaches, namely simultaneous tissue relaxometry of R 1 …

[HTML][HTML] Linearity, bias, intrascanner repeatability, and interscanner reproducibility of quantitative multidynamic multiecho sequence for rapid simultaneous …

…, T Maekawa, K Kamagata, KK Kumamaru… - Investigative …, 2019 - journals.lww.com
Objectives The aim of this study was to evaluate the linearity, bias, intrascanner repeatability,
and interscanner reproducibility of quantitative values derived from a multidynamic …

[HTML][HTML] Simulated 50% radiation dose reduction in coronary CT angiography using adaptive iterative dose reduction in three-dimensions (AIDR3D)

…, ML Steigner, SW Leung, KK Kumamaru… - The international journal …, 2013 - Springer
To compare the image quality of coronary CT angiography (CTA) studies between standard
filtered back projection (FBP) and adaptive iterative dose reduction in three-dimensions (…