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Normalized Cuts in 3-D for Spinal MRI Segmentation
2004
IEEE Transactions on Medical Imaging
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Dunn for his help in proofreading this paper. ...
Fig. 4 shows an example of 3-D local histograms of brightness for voxels corresponding to different anatomical structures of a sagittal T1-weighted MR image of the spine.
5) Normalized Cuts and the ...
The selection of 3-D local histograms of brightness as the segmentation feature for this paper was done because we thought that a 3-D feature would increase robustness in the segmentation technique, and ...
doi:10.1109/tmi.2003.819929
pmid:14719685
fatcat:wm4ozw4yurgunesadttxx443ga
MRI and Anatomical Determinants Affecting Neuroforaminal Stenosis Evaluation: A Descriptive Observational Study
2022
Journal of Pain Research
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When this cannot be performed due to a patient's spine rotation or position, the MRI reader should view oblique, axial, and coronal images simultaneously and dynamically for proper foraminal characterization ...
Four volunteers underwent lumbar spine MRI twice, once in the supine position and once with intentionally introduced hip tilt. ...
At the upper third, where the spinal nerve resides, a cut demonstrated normal neuroforaminal caliber. ...
doi:10.2147/jpr.s360847
pmid:35637764
pmcid:PMC9148210
fatcat:jpomlu5f7ffqrlttv65hllgeqq
The role of cerebrospinal fluid cross-section area ratio in the prediction of dural ossification and clinical outcomes in patients with thoracic ossification of ligamentum flavum
2021
BMC Musculoskeletal Disorders
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No significant differences were found in sex, age, segment of maximum compression and preoperative mJOA score between the two groups. ...
Conclusion The value of CCAR had a high diagnostic value for prediction of DO and neurological function recovery rate in patients with OLF. ...
(A) Normal spinal canal at the pedicle level of the maximum compression segment. (B) Cross-section area (CSA) of the normal spinal canal. ...
doi:10.1186/s12891-021-04574-1
fatcat:ecw5efwforadzaxpcgidkdh5hq
Preliminary animal studies on observation of injured spinal cord with intraoperative ultrasound backscatter microscopy
2012
Chinese Science Bulletin
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After laminectomy, high-resolution ultrasound images of the spinal cord were obtained in one normal and seven spinal cord-injured adult Wistar rats using a UBM system with a 55-MHz center frequency scanner ...
UBM has obvious clinical value in nerve regeneration and cell-based transplantation strategies in injured spinal cords. ultrasound backscatter microscopy, spinal cord injury, cyst, glial scar Citation: ...
The spinal tissue, including the lesional area, could be seen under a dissecting microscope. A spinal cord segment of approximately 4 cm was cut off using scissors. ...
doi:10.1007/s11434-012-5219-7
fatcat:m4euodfzg5eebmmefarux5quiy
A Case of Primary Endobronchial Neurilemmoma Without Intraspinal Extension
2012
Yeungnam University Journal of Medicine
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MRI) of the chest. ...
A 3.0 × 2.6 cm mass in the right lower lobe projecting into the mediobasal segmental bronchus was shown in the results of the contrast-enhanced computed tomography (CT) and magnetic resonance imaging ( ...
The bronchoscopic view shows a polypoid protruding mass in the mediobasal segmental bronchus (D). ...
doi:10.12701/yujm.2012.29.1.54
fatcat:dmjjtvkpofh7fix7w2ba2kjd5u
Framework for integrated MRI average of the spinal cord white and gray matter: The MNI–Poly–AMU template
2014
NeuroImage
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The field of spinal cord MRI is lacking a common template, as existing for the brain, which would allow extraction of multi-parametric data (diffusion-weighted, magnetization transfer, etc.) without user ...
The template can notably be used for measurements of spinal cord cross-sectional area, voxel-based morphometry, identification of anatomical features (e.g., vertebral levels, white and gray matter location ...
Acknowledgements The authors thank Kevin Nigaud (CENIR), Carollyn Hurst and André Cyr (CRIUGM) for assistance with MRI acquisitions. ...
doi:10.1016/j.neuroimage.2014.08.057
pmid:25204864
fatcat:lquuachaybffdbzfxsjo5povgq
Spinal Cord Herniation: Why Anterior Thoracic?
2015
Journal of Neurology and Neuroscience
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The traction may tear the anterior dura; resulting in a dural defect; it allows the nipping/ protrusion of the spinal cord. ...
Summary: We present the main features of the condition by our case series and forward a hypothesis for the consistent anterior, mid-thoracic localization. ...
Figure 3 3 Figure 3 Sagittal (A) and axial T2-weighted images (B,C,D). ...
doi:10.21767/2171-6625.s10012
fatcat:4agifqbzpvccvmnqxe5mqa335e
Intervertebral focal surgery for the treatment of non-contiguous multifocal spinal tuberculosis
2012
International Orthopaedics
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The levels of erythrocyte sedimentation rate and C-reactive protein returned to normal in 27 cases on average at 5.8 months and bone union could be observed at five months after surgery. ...
Conclusions Intervertebral focal surgery by complete debridement, deformity correction, graft fusion, and internal fixation for patients with non-contiguous multifocal spinal tuberculosis was feasible ...
Distribution of multifocal of spinal TB (n029)
2 foci
24
3 foci
5
Number of normal intervertebral disc
between affected bodies
1
3
2 or 2+
26
Frankl grade (n029)
B
2
C
4
D
5
E ...
doi:10.1007/s00264-011-1478-1
pmid:22237921
pmcid:PMC3385909
fatcat:inoojijsx5fb3onevoacnknjeu
Square-Cut: A Segmentation Algorithm on the Basis of a Rectangle Shape
2012
PLoS ONE
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For evaluation, we focus on vertebrae images from Magnetic Resonance Imaging (MRI) datasets to support the time consuming manual slice-by-slice segmentation performed by physicians. ...
We present a rectangle-based segmentation algorithm that sets up a graph and performs a graph cut to separate an object from the background. ...
Furthermore, the authors would like to thank Fraunhofer MeVis in Bremen, Germany, for their collaboration and especially Horst K. Hahn for his support.
Author Contributions ...
doi:10.1371/journal.pone.0031064
pmid:22363547
pmcid:PMC3283589
fatcat:h3gcngbrtjhghhwyb5ir7qbbuq
Role of Additional Coronal Magnetic Resonance Imaging in Decompression and Reconstruction with or without Segment Salvage in Thoracic Spine Tuberculosis
2019
Asian Spine Journal
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Hence, additional cone down coronal cuts must be required when MRI is suggestive for spinal TB because it will help in the decision making. ...
This method of deciding the level of fixation and segment salvage based on coronal MRI in addition to the sagittal and axial images provided good result in 64 of 65 patients, except for one patient in ...
Hence, additional cone down coronal cuts must be required when MRI is suggestive for spinal TB because it will help in the decision making. ...
doi:10.31616/asj.2019.0007
pmid:31352723
pmcid:PMC6894969
fatcat:b3to5l2lzraopdhpqwmvka5pvm
Enhanced N-Cut and Watershed based Model for Brain MRI Segmentation
2020
International Journal of Engineering and Advanced Technology
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In the next stage these primitive regions resembled for graph depiction and then the normalized cut method is used for segmenting an image. ...
Hybrid approach which uses enhanced normalized cut and watershed transform to segment brain MRI images is developed in this paper. ...
We have proposed a novel hybrid approach based on enhanced normalize cut and watershed transform for segmentation of brain MRI. ...
doi:10.35940/ijeat.e9535.069520
fatcat:ejovljsva5cgxdyre6o2afefmm
Focal Spinal Nondisjunction in Primary Neurulation : Limited Dorsal Myeloschisis and Congenital Spinal Dermal Sinus Tract
2021
Journal of Korean Neurosurgical Society
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Spinal dysraphic lesions due to focal nondisjunction in primary neurulation are commonly encountered in paediatric neurosurgery, but the "fog-of-war" on these conditions was only gradually dispersed in ...
It is now clear that limited dorsal myeloschisis and congenital spinal dermal sinus tract are conditions at the two ends of a spectrum; and mixed lesions of them with various configurations exist. ...
INTRODUCTION Focal nondisjunction of the primary neural tube in its spinal cord region results in a normal or near-normal spinal cord, except for the presence of a tract anchoring the dorsal surface of ...
doi:10.3340/jkns.2020.0117
pmid:33715322
pmcid:PMC7969048
fatcat:i6iozbfjufbajeubctcpemlism
Long segment composite split cord malformation with double bony spur
2015
Romanian Neurosurgery
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In this report, we presented an unusual case of long segment composite type split cord malformation with double level bony spur with multiple associated bony anomalies. ...
The frequency of composite- type SCM is lower than 1% in the literature. ...
D, E -MRI T2 axial images at D6 (A) and L2 (E) level ...
doi:10.1515/romneu-2015-0047
fatcat:dilufc76i5alng5kpptbowu7lq
How I Do It: Management of spina bifida in a hospital in The People′s Republic of China
2015
Surgical neurology international
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We acknowledge that the diameter of the spinal canal is a problem for large remnant lesions. ...
In cases of myelomeningocele, we prefer to place the shunt and close the defect in the same procedure, it reduces the risks inherent to exposure to anesthesia, reduces hospital stay, and related costs. ...
a b c d Figure 18: (a) MRI evidencing cord herniated in omega shape, (b) the bulging dura sac has been opened, (c) the spinal cord is separated from the sac, (d) the freed cord is about to be placed in ...
doi:10.4103/2152-7806.161410
pmid:26236554
pmcid:PMC4521313
fatcat:gg45tg2vhjgvhdulnxzyik4obq
MRI-SegFlow: a novel unsupervised deep learning pipeline enabling accurate vertebral segmentation of MRI images
2020
2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)
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We integrate the sub-optimal segmentation results produced by a rule-based method with a unique voting mechanism to provide supervision in the training process for the deep learning model. ...
Most deep learning based vertebral segmentation methods require laborious manual labelling tasks. We aim to establish an unsupervised deep learning pipeline for vertebral segmentation of MR images. ...
ACKNOWLEDGMENT We would like to thank the Hong Kong Theme-Based Research Scheme (T12-708/12N) for supporting the establishment of the MRI dataset. ...
doi:10.1109/embc44109.2020.9175987
pmid:33018308
fatcat:alucygxlkbakxew52d2vthuqdm
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