2016
DOI: 10.1038/srep36151
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Fully automated grey and white matter spinal cord segmentation

Abstract: Axonal loss in the spinal cord is one of the main contributing factors to irreversible clinical disability in multiple sclerosis (MS). In vivo axonal loss can be assessed indirectly by estimating a reduction in the cervical cross-sectional area (CSA) of the spinal cord over time, which is indicative of spinal cord atrophy, and such a measure may be obtained by means of image segmentation using magnetic resonance imaging (MRI). In this work, we propose a new fully automated spinal cord segmentation technique th… Show more

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Cited by 36 publications
(34 citation statements)
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“…Finally, six teams submitted final results to the challenge and presented their method during the workshop.

Team 1 – University College London, led by FP, MJC, CWK and SO. Method name: Joint collaboration for spinal cord grey matter segmentation (Prados et al, 2016b), referred to as: JCSCS.

Team 2 – University of British Columbia, led by EL, TB and RT. Method name: Deepseg , referred to as: DEEPSEG.
…”
Section: Methodsmentioning
confidence: 99%
“…Finally, six teams submitted final results to the challenge and presented their method during the workshop.

Team 1 – University College London, led by FP, MJC, CWK and SO. Method name: Joint collaboration for spinal cord grey matter segmentation (Prados et al, 2016b), referred to as: JCSCS.

Team 2 – University of British Columbia, led by EL, TB and RT. Method name: Deepseg , referred to as: DEEPSEG.
…”
Section: Methodsmentioning
confidence: 99%
“…Mean cross-sectional area (CSA) and volume (CSV) were calculated for each vertebra and for the C2-C3 pair (CSA23 and CSV23), given the better sensitivity of this combined level to disease severity (Coulon et al, 2002;Liu et al, 2015;Prados et al, 2016;De Leener et al, 2017b). CSA is computed by counting pixels in each slice and then geometrically adjusting it multiplying by the angle (in degrees) between the spinal cord centerline and the inferior-superior direction.…”
Section: Spinal Cord Analysismentioning
confidence: 99%
“…From the acquisition standpoint, the advances in coil sensitivity 7 , multi-echo gradient echo sequences 8 , and phase-sensitive inversion recovery sequences 9 drastically improved the contrast-to-noise-ratio between the white and gray matter in the cord. From the analysis standpoint, the scientific community recently organized a collaboration effort called “Spinal Cord Gray Matter Segmentation Challenge” (SCGM Challenge) 6 to characterize the state-of-the-art and compare six independent developed methods 10 – 15 on a public available standard dataset created through the collaboration of four internationally recognized spinal cord imaging research groups (University College London, Polytechnique Montreal, University of Zurich and Vanderbilt University), providing therefore a ground basis for method comparison that was previously unfeasible.…”
Section: Introductionmentioning
confidence: 99%