Optical coherence tomography for the identification of musculoskeletal structures of the spine: a pilot study |
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Authors: | Beaudette Kathy Strupler Mathias Benboujja Fouzi Parent Stefan Aubin Carl-Eric Boudoux Caroline |
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Affiliation: | 1Engineering Physics Department, École Polytechnique de Montréal, P.O. Box 6079, Station Centre-ville, Montreal, Quebec, Canada;2Mechanical Engineering Department, École Polytechnique de Montréal, P.O. Box 6079, Station Centre-ville, Montreal, Quebec, Canada;3Sainte-Justine University Hospital Center, 3175, Côte Sainte-Catherine Road, Montreal, Quebec, Canada |
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Abstract: | Adolescent idiopathic scoliosis (AIS) is a complex three-dimensional deformity of the spine requiring in severe cases invasive surgery. Here, we explore the potential of optical coherence tomography (OCT) as a guiding tool for novel fusionless minimally invasive spinal surgeries on an ex vivo porcine model. We show that OCT, despite its limited penetration depth, may be used to precisely locate structures such as growth plate, bone and intervertebral disk using relative attenuation coefficients. We further demonstrate a segmentation algorithm that locates growth plates automatically on en-face OCT reconstructions. |
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