Stitching brain and spinal cord DTI using cross-correlation registration: toward an atlas of spinal tracts

Corentin Dauleac; Amine Boukhari; Timothée Jacquesson; Guillaume Criton; François Cotton; Carole Frindel

doi:10.1186/s41747-025-00647-1

November 14, 2025European Radiology ExperimentalOpen Access

Stitching brain and spinal cord DTI using cross-correlation registration: toward an atlas of spinal tracts

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Key Points

To establish an in vivo atlas of spinal cord white matter tracts by stitching brain and cervical spinal cord diffusion tensor imaging data using cross-correlation registration.
Prospective pilot study conducted in 4 healthy subjects using 3-T DTI scans of the brain and cervical spinal cord.
Corrected geometric distortions with FSL and performed semiautomatic image fusion using cross-correlation identification followed by rigid registration.
Reconstructed nerve trajectories using deterministic tractography in DSI Studio based on brainstem-defined regions of interest.
Median tractography fiber length in stitched acquisitions reached 192 mm, significantly exceeding individual brain (111.5 mm) and spinal cord (115 mm) scans.
Successfully mapped continuous trajectories of the corticospinal, rubrospinal, gracilis, cuneatus, spinothalamic, and spinocerebellar tracts across the brainstem-spinal junction.

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Implication

Prospective pilot study demonstrates continuous brain-spinal cord tractography using image stitching in healthy adults, indicating potential utility for neurosurgical planning.

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Cite This Study

Dauleac et al. (2025) studied this question.

synapsesocial.com/papers/6a760c501078cf7de2b253a0 https://doi.org/10.1186/s41747-025-00647-1

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Stitching brain and spinal cord DTI using cross-correlation registration: toward an atlas of spinal tracts

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Stitching brain and spinal cord DTI using cross-correlation registration: toward an atlas of spinal tracts

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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