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Tridimensional models and radiographic study of dorsal laminectomy and thoracolumbar hemilaminectomy in dogs – Lumbar Spinal Stenosis

The article discusses the creation of three-dimensional anatomical models of the thoracic and lumbar portions of the canine spine to replicate surgical approaches for dorsal laminectomy and hemilaminectomy. The researchers digitally replicated these approaches and then created tridimensional prints of the vertebral models. Radiographs were taken in different projections to evaluate each approach. The anatomical models showed high fidelity to the natural bones and the created accesses accurately represented the shape, location, and size recommended in the literature. The radiographic images of the models exhibited similar radiodensities. The authors conclude that these models are useful for neurosurgical training as they accurately represent the surgical techniques and allow for in-depth radiological study

Summarised by Mr Mo Akmal – Lead Spinal Surgeon
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Published article

CONCLUSIONS: The replicas of the dorsal laminectomy and hemilaminectomy developed in the anatomical models in the thoracic and lumbar portions are able to represent the technical recommendations of the specialized literature, as well as their respective radiographic images, which have certain radiological properties that allow to make a deep radiological study. Therefore, the models are useful for neurosurgical training.

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Acta Cir Bras. 2023 Aug 4;38:e382623. doi: 10.1590/acb382623. eCollection 2023.ABSTRACTPURPOSE: To create three-dimensional anatomical models of the thoracic and lumbar portions of the canine spine that reproduce the vertebral surgical approaches of dorsal laminectomy and hemilaminectomy, and to perform the respective radiographic evaluations of each approach.METHODS: In a digital archive of the canine spine, digitally,

Acta Cir Bras. 2023 Aug 4;38:e382623. doi: 10.1590/acb382623. eCollection 2023.

ABSTRACT

PURPOSE: To create three-dimensional anatomical models of the thoracic and lumbar portions of the canine spine that reproduce the vertebral surgical approaches of dorsal laminectomy and hemilaminectomy, and to perform the respective radiographic evaluations of each approach.

METHODS: In a digital archive of the canine spine, digitally replicate the dorsal laminectomy and hemilaminectomy in the thoracic and lumbar portions and, then, make tridimensional prints of the vertebral models and obtain radiographs in three dorsoventral, ventrodorsal and laterolateral projections.

RESULTS: The anatomical models of the surgical spinal canal accesses of the thoracic and lumbar portions showed great fidelity to the natural bones. The created accesses have the proper shape, location and size, and their radiographic images showed similar radiodensities.

CONCLUSIONS: The replicas of the dorsal laminectomy and hemilaminectomy developed in the anatomical models in the thoracic and lumbar portions are able to represent the technical recommendations of the specialized literature, as well as their respective radiographic images, which have certain radiological properties that allow to make a deep radiological study. Therefore, the models are useful for neurosurgical training.

PMID:37556719 | DOI:10.1590/acb382623

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Tridimensional models and radiographic study of dorsal laminectomy and thoracolumbar hemilaminectomy in dogs

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Acta Cir Bras. 2023 Aug 4;38:e382623. doi: 10.1590/acb382623. eCollection 2023.ABSTRACTPURPOSE: To create three-dimensional anatomical models of the thoracic and lumbar portions of the canine spine that reproduce the vertebral surgical approaches of dorsal laminectomy and hemilaminectomy, and to perform the respective radiographic evaluations of each approach.METHODS: In a digital archive of the canine spine, digitally

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