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Optimal Factors of Diffusion Tensor Imaging Predicting Corticospinal Tract Injury in Patients with Brain Tumors

Zhi-gang Min, Chen Niu, Qiu-li Zhang, Ming Zhang, Yu-cheng Qian
2017 Korean Journal of Radiology  
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

Zahra Farshidfar, Fariborz Faeghi, Mostafa Mohseni, Afsoun Seddighi, Homayoun Hadizadeh Kharrazi, Jamil Abdolmohammadi
2014 The Neuroradiology Journal  
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

Adriaan R.E. Potgieser, Michiel Wagemakers, Arjen L.J. van Hulzen, Bauke M. de Jong, Eelco W. Hoving, Rob J.M. Groen
2014 Clinical neurology and neurosurgery (Dutch-Flemish ed. Print)  
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

Sandip S. Panesar, Kumar Abhinav, Fang-Cheng Yeh, Timothée Jacquesson, Malie Collins, Juan Fernandez-Miranda
2018 Neurotherapeutics  
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

Muhammad M Abd-El-Barr, Emam Saleh, Raymond Y Huang, Alexandra J Golby
2013 Imaging in Medicine  
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

Martina Campanella, Tamara Ius, Miran Skrap, Luciano Fadiga
2014 PeerJ  
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]

Pilar Lopez-Larrubia, Eva Canadillas-Cardenas, Ana M., Nuria Arias, Miguel Martinez-Maestro, Aire Salguero, Sebastian Cerda
2011 Advances in the Biology, Imaging and Therapies for Glioblastoma  
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

Anna Latysheva, Kyrre Eeg Emblem, Andrés Server, Petter Brandal, Torstein R. Meling, Jens Pahnke, John K. Hald
2018 Journal of computer assisted tomography  
Again, it was Le Bihan and his group who showed that diffusion-tensor imaging (DTI) could produce maps with white matter fiber direction.  ...  [92] . 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

Yasong Liu, Wentao Xu, Gustavo Ramirez
2021 Scientific Programming  
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

Jacopo Falco, Abramo Agosti, Ignazio G. Vetrano, Alberto Bizzi, Francesco Restelli, Morgan Broggi, Marco Schiariti, Francesco DiMeco, Paolo Ferroli, Pasquale Ciarletta, Francesco Acerbi
2021 Journal of Clinical Medicine  
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

Austin-John Fordham, Caitlin-Craft Hacherl, Neal Patel, Keri Jones, Brandon Myers, Mickey Abraham, Julian Gendreau
2021 Cancers  
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

Marion Rapp, Frank W. Floeth, Jörg Felsberg, Hans-Jakob Steiger, Michael Sabel, Karl-Josef Langen, Norbert Galldiks
2013 Neurosurgical Focus  
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

Giada Zoccatelli, Franco Alessandrini, Alberto Beltramello, Andrea Talacchi
2013 Journal of Biomedical Science and Engineering  
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

Shao-cong Bai, Bai-nan Xu, Shi-hui Wei, Jie-feng Geng, Dong-dong Wu, Xin-guang Yu, Xiao-lei Chen
2015 World Journal of Surgical Oncology  
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

Silvia Lope-Piedrafita, Maria L. Garcia-Martin, Jean-Philippe Galons, Robert J. Gillies, Theodore P. Trouard
2008 NMR in Biomedicine  
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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