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Optimal Factors of Diffusion Tensor Imaging Predicting Corticospinal Tract Injury in Patients with Brain Tumors
2017
Korean Journal of Radiology
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Objective: To identify the optimal factors in diffusion tensor imaging for predicting corticospinal tract (CST) injury caused by brain tumors. ...
The movement of the CST, minimum distance between the CST and the tumor, and relative fractional anisotropy (rFA) of the CST on diffusion tensor imaging, were compared between patients with motor weakness ...
Currently, diffusion tensor imaging (DTI) is the only available tool that displays the pathway of neural fibers in vivo. ...
doi:10.3348/kjr.2017.18.5.844
pmid:28860902
pmcid:PMC5552468
fatcat:2mz7jv34cffbtiponqqgesunmy
Diffusion Tensor Tractography in the Presurgical Assessment of Cerebral Gliomas
2014
The Neuroradiology Journal
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The current study evaluated the application of DTT imaging in the presurgical assessment of gliomas, and introduces this new modality and its importance to physicians and imaging centers in Iran. ...
Glioma is the most common intra-axial brain tumor characterized by invasion into the surrounding white matter (WM) tracts. ...
Acknowledgements We thank Day and Babak imaging centers and acknowledge Dr Susumu Mori and DTI Studio experts from Johns Hopkins University for their kind support and their efforts in solving image processing ...
doi:10.15274/nrj-2014-10008
pmid:24571836
pmcid:PMC4202843
fatcat:ndqpvwzpnvbf7opl4ysnyoziza
The role of diffusion tensor imaging in brain tumor surgery: A review of the literature
2014
Clinical neurology and neurosurgery (Dutch-Flemish ed. Print)
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Diffusion tensor imaging (DTI) is a recent technique that utilizes diffusion of water molecules to make assumptions about white matter tract architecture of the brain. ...
Early on, neurosurgeons recognized its potential value in neurosurgical planning, as it is the only technique that offers the possibility for in vivo visualization of white matter tracts. ...
Brain white matter anatomy of tumor patients evaluated with diffusion tensor imaging. Ann Neurol 2002 Mar;51(3):377-380. 45. Kuhnt D, Bauer MH, Becker A, Merhof D, Zolal A, Richter M, et al. ...
doi:10.1016/j.clineuro.2014.06.009
pmid:25016239
fatcat:ph4r5zrbyrae7cqbneyqa4fiym
Tractography for Surgical Neuro-Oncology Planning: Towards a Gold Standard
2018
Neurotherapeutics
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Magnetic resonance imaging tractography permits in vivo visualization of white matter structures. ...
shortcomings of diffusion tensor imaging (DTI) tractography. ...
[55] utilized multimodal data, including qualitative DTI tractography to study the effect of tumor white matter infiltration on surgical outcome in 60 high-and low-grade glioma patients. ...
doi:10.1007/s13311-018-00697-x
pmid:30542904
pmcid:PMC6361069
fatcat:4n6ncgdosffonkskaxvmh5xcs4
Effect of disease and recovery on functional anatomy in brain tumor patients: insights from functional MRI and diffusion tensor imaging
2013
Imaging in Medicine
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For deterministic fiber tracking, the principal direction of the diffusion tensor is tracked from voxel to voxel starting from seed voxel or a region of interest (ROI; such as a brain tumor), until the ...
changes in white matter tracts. ...
doi:10.2217/iim.13.40
pmid:24660024
pmcid:PMC3959954
fatcat:3fkz2csqb5bilejkrko3bpr2ma
Alterations in fiber pathways reveal brain tumor typology: a diffusion tractography study
2014
PeerJ
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We used deterministic multi-fiber tractography to analyze 16 cases of histologically classified brain tumors (meningioma, low-grade glioma, high-grade glioma) to evaluate the integrity of WM bundles in ...
Conventional structural Magnetic Resonance (MR) techniques can accurately identify brain tumors but do not provide exhaustive information about the integrity of the surrounding/embedded white matter (WM ...
Low-grade gliomas are usually characterized by an extensive, diffuse infiltration of tumoral cells that preferentially invade the brain along myelinated fibers in white matter tracts (Duffau et al., 2004 ...
doi:10.7717/peerj.497
pmid:25250209
pmcid:PMC4168762
fatcat:zcs4dtkb3jbs7m2dwmd7epgwpu
Magnetic Resonance Imaging of Gliomas
[chapter]
2011
Advances in the Biology, Imaging and Therapies for Glioblastoma
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MRI methods enable the non invasive assessment of glioma morphology and functionality providing a point of likeness into histopathological grading of the tumor and helping in this way a more successful ...
In the last decades, Magnetic Resonance Imaging (MRI) approaches have evolved into the most powerful and versatile imaging tool for brain tumor diagnosis, prognosis, therapy evaluation, monitoring of disease ...
DTI also allows to calculate tractography maps, revealing white matter fiber tracts, very useful to determine the infiltration or degeneration of the original fiber tracts by invading tumors (Mori and ...
doi:10.5772/25119
fatcat:g7vdxzhkunfnnnp3im622plmiq
Survival Associations Using Perfusion and Diffusion Magnetic Resonance Imaging in Patients With Histologic and Genetic Defined Diffuse Glioma World Health Organization Grades II and III
2018
Journal of computer assisted tomography
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Again, it was Le Bihan and his group who showed that diffusion-tensor imaging (DTI) could produce maps with white matter fiber direction. ...
[92] .
1.2.4.2 Diffusion tensor imaging Diffusion tensor imaging is widely used to explore the structural connectivity of the brain with applications in both clinical and basic neuroscience. ...
ROIs were also drawn in the ipsilateral normal-appearing zone (iNAZ) defined as the area immediately adjacent to the distal edge of the PBZ and in contralateral white matter to the tumor (cWMZ). ...
doi:10.1097/rct.0000000000000742
pmid:29901512
fatcat:l73mkua575b6lecog5uzzrfhkq
Adoption of Diffusion Tensor Imaging under Optimized Fuzzy C-Means Cluster Algorithm in Intracerebral Benign and Malignant Tumor Resection
2021
Scientific Programming
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The study aimed to analyze the application of diffusion tensor imaging (DTI) in the surgery of benign and malignant intracranial tumors through improved fuzzy C-means (FCM). ...
First, a method of combining the maximum and minimum distances was proposed to improve the FCM algorithm. Then, the optimized FCM was applied to the diffusion tensor imaging (DTI) diagnosis. ...
of interest. e countermeasure white matter area of interest area was found through symmetry. e fiber bundle was established by clicking fiber tracking. ...
doi:10.1155/2021/3215087
fatcat:stqvftgs7rdodi4phbclopji3m
In Silico Mathematical Modelling for Glioblastoma: A Critical Review and a Patient-Specific Case
2021
Journal of Clinical Medicine
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and to predict tumor evolution. ...
A multidisciplinary approach combining mathematical, clinical and radiological data has the potential to foster our understanding of glioblastoma evolution in every single patient, with the aim of tailoring ...
the direction of white matter fibers: they introduced the diffusion tensor obtained through the Diffusion Tensor Imaging (DTI) technique. ...
doi:10.3390/jcm10102169
pmid:34067871
fatcat:nm3livrwjzdg5jkxacxmw7rthm
Differentiating Glioblastomas from Solitary Brain Metastases: An Update on the Current Literature of Advanced Imaging Modalities
2021
Cancers
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Diffusion tensor imaging can be used to detect changes in mean diffusivity. ...
Finally, radiomics and machine learning algorithms have been devised to assist in improving diagnostic accuracy while often utilizing more than one advanced imaging protocol per patient. ...
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/cancers13122960
fatcat:6atthw2llraojefyqv3fplbcqm
Clinical value of O-(2-[18F]-fluoroethyl)-L-tyrosine positron emission tomography in patients with low-grade glioma
2013
Neurosurgical Focus
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frequently associated with cortically based tumors, particularly in frontal, temporal, and insular locations and with oligodendroglial tumors. ...
Neurosurg Focus 34 (2):E3, 2013 1 ©AANS, 2013 T he term "low-grade glioma" includes all WHO Grade I and II gliomas. ...
Disclosure The authors report no conflict of interest concerning the materials or methods used in this study or the findings specified in this paper. ...
doi:10.3171/2012.12.focus12336
pmid:23373448
fatcat:i7ftyecb5jcsnjnesu23obqrwi
Advanced magnetic resonance imaging techniques in brain tumours surgical planning
2013
Journal of Biomedical Science and Engineering
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planning and their role in brain tumors assessment. ...
This article provides an overview of the most advanced MR imaging techniques (functional MRI, perfusion-weighted imaging, diffusion-weighted imaging and MR spectroscopy) now available for neurosurgical ...
Knowledge of the topography, integrity, and degree of involvement of the white matter fibers plays an important role in pre-opera-tive evaluation. ...
doi:10.4236/jbise.2013.63a051
fatcat:yrgo3ve75bfpfnu723lpbi7rda
Intraoperative high-field magnetic resonance imaging combined with functional neuronavigation in resection of low-grade temporal lobe tumors
2015
World Journal of Surgical Oncology
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The aim of this study is to investigate the role of intraoperative MR imaging in temporal lobe lowgrade glioma (LGG) surgery and to report the surgical outcome in our series with regard to seizures, neurological ...
Methods: Patients with temporal lobe contrast-nonenhancing gliomas who presented with seizures in the course of their disease were enrolled in our prospective study. ...
Acknowledgements We would like to express our gratitude to Professor Christopher Nimsky and the Erlangen iMRI team for their pioneering work on intraoperative imaging and functional neuronavigation. ...
doi:10.1186/s12957-015-0690-7
pmid:26410079
pmcid:PMC4583990
fatcat:mlloah6bvbdjjmjnjo4fclccgy
Longitudinal diffusion tensor imaging in a rat brain glioma model
2008
NMR in Biomedicine
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In order to investigate the properties of water motion within and around brain tumors as a function of tumor growth, longitudinal diffusion tensor imaging (DTI) was carried out in a rat brain glioma (C6 ...
As tumors grow in size, significant anisotropy of water diffusion was seen both within and around the tumor. ...
Acknowledgments This study was supported by NIH grants EB000343 and CA88285, and the authors are grateful to Dr. Rexford Newbould for the development of the DTI analysis software. ...
doi:10.1002/nbm.1256
pmid:18470959
pmcid:PMC2857329
fatcat:rqqjo4ppe5hvpkcnb6pi5g74pi
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