Results 21 to 30 of about 14,640 (199)

Temporal changes in native and late gadolinium enhanced ultrashort echo time magnetic resonance imaging during gynecologic cancer radiation therapy [PDF]

Physics and Imaging in Radiation Oncology
Background and purpose: Radiotherapy (RT) response in gynecologic cancers varies widely and is influenced by several factors. We evaluated whether fibrosis detected with inversion-recovery ultrashort-echo-time (IR-UTE) MRI (magnetic-resonance-imaging ...
Khadija Sheikh, Bruce L. Daniel, Michael Roumeliotis, Junghoon Lee, Thomas Benkert, Himanshu Bhat, Pan Su, Ravi T. Seethamraju, Daniel Y. Song, Akila N. Viswanathan, Ehud J. Schmidt   +10 more
doaj   +2 more sources

A computational measurement of cartilaginous endplate structure using ultrashort time-to-echo MRI scanning [PDF]

Computer Methods and Programs in Biomedicine, 2017
postprin
Hu, Y, Huang, Y, Jin, R, Luk, KDK
core   +5 more sources

Automated, calibration-free quantification of cortical bone porosity and geometry in postmenopausal osteoporosis from ultrashort echo time MRI and deep learning. [PDF]

Bone, 2023
Jones BC, Wehrli FW, Kamona N, Deshpande RS, Vu BD, Song HK, Lee H, Grewal RK, Chan TJ, Witschey WR, MacLean MT, Josselyn NJ, Iyer SK, Al Mukaddam M, Snyder PJ, Rajapakse CS.   +15 more
europepmc   +2 more sources

Quantification of neonatal lung parenchymal density via ultrashort echo time MRI with comparison to CT. [PDF]

J Magn Reson Imaging, 2017
Higano NS, Fleck RJ, Spielberg DR, Walkup LL, Hahn AD, Thomen RP, Merhar SL, Kingma PS, Tkach JA, Fain SB, Woods JC.   +10 more
europepmc   +2 more sources

Super High Contrast USPIO-Enhanced Cerebrovascular Angiography Using Ultrashort Time-to-Echo MRI

International Journal of Biomedical Imaging
Background. Ferumoxytol (Ferahame, AMAG Pharmaceuticals, Waltham, MA) is increasingly used off-label as an MR contrast agent due to its relaxivity and safety profiles. However, its potent T2∗ relaxivity limits achievable T1-weighted positive contrast and
Liam Timms, Tianyi Zhou, Ju Qiao, Codi Gharagouzloo, Vishala Mishra, Rita Maria Lahoud, John W. Chen, Mukesh Harisinghani, Srinivas Sridhar   +8 more
doaj   +3 more sources

Quantitative ultrashort T2 components imaging in the brain using variable flip angle balanced steady state free precession ultrashort echo time MRI

NeuroImage
Purpose: This study aimed to develop a new method for quantitative measurement of ultrashort T2 (uT2) components in the brain that are associated with myelin, providing reliable and high-quality fitting results of uT2 fraction.
Xin Shen, Ari Green, Roland G. Henry, Nikhil Deveshwar, Uzay Emir, Peder E.Z. Larson   +5 more
doaj   +2 more sources

Pediatric Thoracic MRI: Safer, Sharper and Smarter Diagnostics [PDF]

Children
Background: Pediatric thoracic magnetic resonance imaging (MRI) has evolved into a valuable diagnostic modality that offers high-resolution morphological and functional assessment.
Patricia Tischendorf, Laura Beck, Tobias Krähling   +2 more
doaj   +2 more sources

Pulmonary ventilation imaging in asthma and cystic fibrosis using oxygen-enhanced 3D radial ultrashort echo time MRI. [PDF]

J Magn Reson Imaging, 2018
Zha W, Kruger SJ, Johnson KM, Cadman RV, Bell LC, Liu F, Hahn AD, Evans MD, Nagle SK, Fain SB.   +9 more
europepmc   +2 more sources

Clinical application of ultrashort echo-time MRI for lung pathologies in children. [PDF]

Clinical Radiology, 2021
Lung magnetic resonance imaging (MRI) is considered to be challenging, because the low proton density of the tissue, fast signal decay, and respiratory artefacts hamper adequate image quality. MRI of the lungs and thorax is increasingly used in the paediatric population, because it is a radiation-free alternative to chest CT.
J. Geiger, K. Zeimpekis, A. Jung, A. Moeller, C. Kellenberger   +4 more
semanticscholar   +4 more sources

Quantitative assessment of lumbar intervertebral disc degeneration and its correlation with clinical symptoms: a study utilizing ultrashort time-of-echo and T2 mapping as biomarkers [PDF]

BMC Musculoskeletal Disorders
Background Lumbar cartilage endplate (CEP) structures show low signal intensity on conventional magnetic resonance imaging (MRI), making them hard to observe and quantify.
Jun Han, Xiang Hong Meng, Zhilin Ji, Feige Niu, Nana Zhu, Tingting Zhao, Zhiwei Shen, Zhi Wang, Qiang Yang   +8 more
doaj   +2 more sources