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Magnetic resonance quantitative susceptibility mapping in the evaluation of hepatic fibrosis in chronic liver disease: a feasibility study

Zheng Qu, Shuohui Yang, Feng Xing, Rui Tong, Chenyao Yang, Rongfang Guo, Jiling Huang, Fang Lu, Caixia Fu, Xu Yan, Stefanie Hectors, Kelly Gillen (+4 others)
2021 Quantitative Imaging in Medicine and Surgery  
Quantitative susceptibility mapping (QSM), R2* and proton density fat fraction (PDFF) images were postprocessed from the same gradient-echo data for quantitative tissue characterization using region of  ...  The present study aimed to investigate the alteration of magnetic susceptibility in the liver of patients with various fibrosis stages and to evaluate the feasibility of using susceptibility to stage hepatic  ...  Simultaneous phase unwrapping and removal of chemical shift (SPURS) (29) using graph cuts with conditional jump moves were first performed on the phase images, followed by fine-tuning of the field map  ... 
doi:10.21037/qims-20-720 pmid:33816158 pmcid:PMC7930689 fatcat:qwvo4r6wcffzhd2tlikvbwjjnu

Quantitative susceptibility mapping of the head-and-neck using SMURF fat-water imaging with chemical shift and relaxation rate corrections

Beata Bachrata, Siegfried Trattnig, Simon Daniel Robinson
2021
Corrections for chemical shift artefacts and relaxation rate differences removed overestimation of the susceptibility values, blurring in the susceptibility maps, and the disproportionate influence of  ...  To address the challenges posed by fat-water chemical shift artifacts and relaxation rate discrepancies to quantitative susceptibility mapping (QSM) outside the brain, and to generate accurate susceptibility  ...  The financial support by the Austrian Federal Ministry for Digital and Economic Affairs and the National Foundation for Research, Technology and Development is also gratefully acknowledged.  ... 
doi:10.1002/mrm.29069 pmid:34850446 pmcid:PMC7612304 fatcat:z32eexd5hzdzhgfwsdoepn5v54

AbstractBook_OPTO2017.pdf

Michał Mikołajczyk
2017 Figshare  
The Book of Abstracts of the OPTO2017 Conference held in Warsaw  ...  With the simplicity of production it is a reasonable compromise In this article is presented hybrid diffractive structure consisting of phase encoded as a kinoform in the center and binary phase on the  ...  It will lower the shadow effect and gives 40% of efficiency.  ... 
doi:10.6084/m9.figshare.5146993 fatcat:di5yptwolfa2hjypnxqmyemqby

AbstractBook_OPTO2017.pdf

Michał Mikołajczyk
2017 Figshare  
The Book of Abstracts of the OPTO2017 Conference held in Warsaw  ...  With the simplicity of production it is a reasonable compromise In this article is presented hybrid diffractive structure consisting of phase encoded as a kinoform in the center and binary phase on the  ...  It will lower the shadow effect and gives 40% of efficiency.  ... 
doi:10.6084/m9.figshare.5146993.v1 fatcat:oaoupvmmgzbpboo32bs5775ypq

ADVANCED MRI TECHNIQUES FOR ASSESSMENT OF LIVER DISEASE

Ramin Jafari
2020
The field can be initialized using a graph cuts solution to the simultaneous phase unwrapping with removal of chemical shift (SPURS) under the simplified condition of no fat-water overlap to reduce errors  ...  The 3D Initial estimates for field maps were generated by Simultaneous Phase Unwrapping and Removal of Chemical Shift (SPURS) (29) .  ... 
doi:10.7298/343h-1654 fatcat:z5qcsxcc6vgd3jk2fgt472oysy

APPLICATION-SPECIFIC OPTIMIZATION OF QUANTITATIVE SUSCEPTIBILITY MAPPING FOR CLINICAL IMAGING

Alexey Dimov
2017
This dissertation reports optimization steps undertaken to overcome technical challenges in quantitative susceptibility mapping (QSM) in different parts of human body.  ...  MRI can be used for quantification of volumetric distributions of various biomolecules and chemical elements -such as triglycerides, calcium and ironthat regarded as participants in normal tissue biochemistry  ...  In order to avoid this, initialization can be done using graph-cut based algorithms such as SPURS [79] .  ... 
doi:10.7298/x4m043k7 fatcat:kxpeaopzm5a25o6ry3lzaiwniu

METHODS FOR QUANTITATIVE SUSCEPTIBILITY MAPPING AND ITS APPLICATION TO CARDIOVASCULAR MRI

Yan Wen
2020
This dissertation focuses on the tissue magnetic susceptibility, and the technique for the mapping of magnetic susceptibility called the Quantitative Susceptibility Mapping (QSM).  ...  magnetic susceptibility maps, 3) the initial experiences of cardiovascular QSM in clinical settings, and 4) a novel QSM reconstruction algorithm to improve the signal model in dipole inversion. ii ACKNOWLEDGMENTS  ...  Phase wraps and fat chemical shift were removed using a graph-cut based phase analysis and IDEAL in an iterative approach.  ... 
doi:10.7298/pmym-a879 fatcat:5jativuvkvbx7inwhglyliwz5u

Improving the image and quantitative data of magnetic resonance imaging through hardware and physics techniques

Joshua D. Kaggie
2016
Our system demonstrated a very 23 simple, inexpensive solution to SMI and acquired both nuclei on two Na channels using external modifications, and is the first demonstration of radially acquired SMI.  ...  The R correlation between renal fat content and eGFR, serum cystatin C, urine protein, and BMI was less than 0.03, with a sample size of ~100 subjects, suggesting that renal fat content will not be a useful  ...  There are other effects that can result in phase accrual, such as B0 inhomogeneity and chemical shifts.  ... 
doi:10.26053/0h-48tm-s7g0 fatcat:fla6j4esdvhfxlgyg4zp7yiudi

Argyll Robertson Pupil [chapter]

Jason E. Hale, Sumayya J. Almarzouqi, Michael L. Morgan, Andrew G. Lee
2018 Encyclopedia of Ophthalmology  
The patch is eventually removed or falls off. When used as a graft, the amniotic membrane is cut to match the defect and is fixed in place with the epithelial side up.  ...  The donor lamellar cut has a diameter and thickness which are determined by the corneal opacity which has to be removed.  ...  Therapy: Treat Any Underlying Etiology Medical Management The drugs that have been used in the management of ALO are: 1.  ... 
doi:10.1007/978-3-540-69000-9_1259 fatcat:nltstvmqjvee7i7xk7kktikfyy

Apocrine or Sweat Glands of the Eyelid [chapter]

2018 Encyclopedia of Ophthalmology  
The patch is eventually removed or falls off. When used as a graft, the amniotic membrane is cut to match the defect and is fixed in place with the epithelial side up.  ...  The donor lamellar cut has a diameter and thickness which are determined by the corneal opacity which has to be removed.  ...  Therapy: Treat Any Underlying Etiology Medical Management The drugs that have been used in the management of ALO are: 1.  ... 
doi:10.1007/978-3-540-69000-9_100121 fatcat:tdyybyzdcveonklhvquf6uboji

Asthma and Plants: Chemotaxonomic Relationships and Patterns of Asthma Incidence and Respiratory Symptoms, in Urban Coastal Versus Rural Highland Areas in South-East Queensland, Australia, with Special Reference to the Family Myrtaceae

Jane Gibbs, University, My, Des Connell
2018
In the next phase more comparisons were undertaken with a smaller group of adults and adolescents in the coast and range communities.  ...  In this study 380 children were skin-tested with a battery of commercial allergens including Eucalyptus.  ...  Chapter 3, 09 showed the land use map of south east Queensland and on that map the urban development is shown shaded in pink with the names of the urban and country centres from which participants were  ... 
doi:10.25904/1912/3128 fatcat:4l7tvvtgr5ce7iov6fd7zzxaji

Note from the Editorial Board Personalized Medicine Interview with Sienna Craig, Associate Professor of Anthropology Controlling the Neuron Privacy Issues

Steven Chen, Yoo Kim, Annie Huang, Rui Shu, Derek Racine
2012 unpublished
Finally, Derek Racine investigates the development of the Internet, and a few of its modern social applications.  ...  Yoo Jung Kim discusses ways in which medicine can be personalized to every patient. Amanda Zieselman describes the placebo effect, and the medical validity of using non-treatment.  ...  Acknowledgements We would like to thank Savanna Barry for her guidance and expertise on invasive lionfish, and for including us in her weekly lionfish dissections.  ... 
fatcat:4jjk76nzcfaxlhwmbcotwt3bf4

A B A Letter from the Editor Special anks

Faculty Advisor, Mark Brown, Graduate Advisor, Kate Wilkins, Keaton Sloan, Operations Associates, Victoria Crowe, Elizabeth Linxwiler, Nicholas Mcglashen, Tysha Medeiros, Erin Oppenheim, Quintn Parker (+45 others)
2014 Journal of Undergraduate Research and Scholarly Excellence   unpublished
To our published authors, I congratulate each of you on your accomplishment and wish you the best of luck as you move forward in your careers.  ...  With published work in the sciences, creative writing and literature, history, and art, this issue of the Journal is uniquely interdisciplinary and represents authors from around the world.  ...  Journal of Undergraduate Research and Scholarly Excellence -Volume V Abstract Forest monks are often venerated for skilled meditative and mystical powers while simultaneously remaining different, separate  ... 
fatcat:rqbg7xewsnahncjjgbnylrtbte

Editor in Chief Editorial Board Publishing Editors Linguistic Editors Scientific Council Cover and logos design

Tomasz Mizerkiewicz, Tomasz Mizerkiewicz, Ewa Kraskowska, Joanna Grądziel-Wójcik, Agnieszka Kwiatkowska, Ewa Rajewska, Paweł Graf, Lucyna Marzec, Wojciech Wielopolski, Joanna Krajewska, Cezary Ma, Rosiński (+16 others)
1999 On the Silesian Micrological School   unpublished
Microhistory is thus qualitative and miniature rather than quantitative and globalizing in its intentions. 20 A similar approach marks literary micrology, which -first in the phase of critical deconstruction  ...  his study of the works of William Blake: the only point that remains still susceptible to the logic of "me" and what is "mine," the only "place," that remained after the removal of the illusion of my  ... 
fatcat:srl6dxaanvdbddlu7pcqheyoo4

Families' experiences with medical research for pediatric rare diseases : a qualitative ethnographic study of parents and children participating in clinical trials for Duchenne muscular dystrophy (DMD)

Christopher J. Condin
2014
Canadian and American families were followed using semi-structured interviews and observational methods as they participated in clinical trials testing a genomic treatment for DMD, called ataluren (formerly  ...  This dissertation examines these changes using data from qualitative ethnographic research conducted with families of children with Duchenne muscular dystrophy, a progressive and fatal genetic disease  ...  Iterative cycling between phases of data collection and analysis is conventional in qualitative research, in contrast with quantitative approaches where these phases are conducted separately.  ... 
doi:10.14288/1.0135585 fatcat:f2c32gdklzawlp4befwibhgkwi
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