SpineReport: Automated 3D Quantification and Reporting of Lumbar Spine Degeneration on MRI
Quick Answer
SpineReport is an open-source automated framework for 3D quantification of lumbar spine degeneration from MRI, achieving strong correlations with radiologist severity grades, particularly for central canal stenosis (AUC = 0.95).
Quick Take
SpineReport is an open-source automated framework for 3D quantification of lumbar spine degeneration from MRI, achieving strong correlations with radiologist severity grades, particularly for central canal stenosis (AUC = 0.95). It provides comprehensive metrics and subject-specific reports, enhancing interpretability and objective assessment in clinical practice.
Key Points
- SpineReport automates 3D morphometric analysis of lumbar spine MRI.
- Robust anatomical segmentations extract metrics from spinal structures.
- Strong association with central canal stenosis severity (AUC = 0.95).
- Subject-specific reports allow comparison with cohort distributions.
- Open-access tool available at https://ivadomed.github.io/SpineReport/
Paper Resources
Article Content
From source RSS / original summaryarXiv:2606. 10021v1 Announce Type: new Abstract: Lumbar spine conditions are a leading cause of disability worldwide, yet reliable quantification of degeneration from MRI remains challenging. In clinical practice, analysis is predominantly performed in two dimensions (2D), as manual three-dimensional (3D) assessment is time-consuming. However, 2D measurements suffer from limited reproducibility, particularly when anatomical structures are not aligned with the imaging plane.
Existing automated approaches are often restricted to 2D, rely on discrete grading, or lack robustness and interpretability. We introduce SpineReport, an open-source, fully automated framework for comprehensive 3D morphometric analysis of lumbar spine MRI. Leveraging robust anatomical segmentations, the method extracts quantitative metrics from key structures, including the spinal canal, spinal cord, vertebrae, intervertebral discs, and foramina.
These include both morphological and signal-based features, enabling cross-subject and longitudinal assessment. SpineReport further generates subject-specific reports that allow comparison with cohort distributions, improving interpretability and objective characterization of spinal morphology. Clinical relevance was evaluated against radiologist-reported severity grades for central canal, lateral recess, and foraminal stenosis.
Metrics showed strong associations with central canal stenosis severity, with T2-weighted CSF signal providing the highest performance (AUC = 0. 95). Canal AP diameter and area ratios also demonstrated strong correlations and high discriminative ability (AUC > 0. 80). For lateral recess stenosis, associations were moderate, with lateral CSF signal being the most informative (AUC = 0. 73). No significant associations were observed for foraminal stenosis despite robust region-of-interest extraction.
SpineReport is released as an open-access tool: https://ivadomed. github. io/SpineReport/
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