Endoscopic imaging of white matter fiber tracts using polarization-sensitive optical coherence tomography.
Birefringence
Intracranial imaging
Optical anisotropy
Optical coherence tomography
Polarized light imaging
Journal
NeuroImage
ISSN: 1095-9572
Titre abrégé: Neuroimage
Pays: United States
ID NLM: 9215515
Informations de publication
Date de publication:
01 12 2022
01 12 2022
Historique:
received:
18
07
2022
revised:
29
10
2022
accepted:
14
11
2022
pubmed:
19
11
2022
medline:
15
12
2022
entrez:
18
11
2022
Statut:
ppublish
Résumé
Polarization sensitive optical coherence tomography (PSOCT) has been shown to image and delineate white matter fibers in a label-free manner by revealing optical birefringence within the myelin sheath using a microscope setup. In this proof-of-concept study, we adapt recent advancements in endoscopic PSOCT to perform depth-resolved imaging of white matter structures deep inside intact porcine brain tissue ex-vivo, through a small, rotational fiber probe. The probe geometry is comparable to microelectrodes currently used in neurosurgical interventions. The presented imaging system is mobile, robust, and uses biologically safe levels of optical radiation making it well suited for clinical translation. In neurosurgery, where accuracy is imperative, endoscopic PSOCT through a narrow-gauge fiber probe could provide intra-operative feedback on the location of critical white matter structures.
Identifiants
pubmed: 36400379
pii: S1053-8119(22)00876-X
doi: 10.1016/j.neuroimage.2022.119755
pmc: PMC9802682
mid: NIHMS1860166
pii:
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
119755Subventions
Organisme : NIBIB NIH HHS
ID : P41 EB015903
Pays : United States
Informations de copyright
Copyright © 2022. Published by Elsevier Inc.
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