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Simulation of Spine Curve Correction Through 3D Reconstruction Techniques and Parameter Measurement

Key Investigators

Project Description

Digital Anatomics is a company focused on the devolpment of solutions in the field of personalized medical surgeries, specially in the area of the spine. In this project we would like to explore the reconstruction of personalized spine models from 2D imaging. We are currently developing a neural netkwork for this reconstruction task. Using 3D Slicer as a tool for modeling and parameter measurement, we aim to apply the obtained information to perform precise patient curve measurements, simulate curve correction procedures, design detailed surgical plans, and assess post-operative outcomes. This approach will provide valuable insights to improve decision-making and enhance the precision of spinal surgeries.

Objective

  1. Obtain DRR projections from CT scans for the obtention of paired training data
  2. Obtain precision measurmets for the 3D reconstructions (specially focused on the pedicle region)
  3. Automatize landmark indentification on the 2D image for the Cobbs angle measurment and study the correlation with the reconstructed vertebrae curvature

Approach and Plan

We would like to generate a slicer extension that allows us to visualize and study the correlation between the 2D and 3D images and automatically obtain spine curve measurements.

Progress and Next Steps

  1. Generate a custom layout for the joint visualization of:

    a. Lateral XRay plus sagittal CT slices

    image

    b. AP XRay plus coronal CT slices image

  2. Automatically compute the landmarks for each vertebral segmentation

image

  1. Compute the curvature measurements and show them on the images: we have implemented the computation of 2D angles (Cobbs angle & Kyphosis/Lordosis curvature)

image

image

Next steps: ยท Compute the 3D curvature by interpolating the vertebral centers of mass and study the correlation with the 2D curvatures

Illustrations

Image 3D reconstruction from 2D X-rays

Image Landmark detection and cobbs angle measurement

image Curve correction simulation

Background and References

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