The growing demand for lumbar spine MRI exams, coupled with a shortage of radiologists, highlights the need for automated diagnostic tools for spinal conditions. Despite advancements in AI across radiology, no CE or FDA-approved solutions currently target lumbar spine pathologies. This paper introduces a deep learning pipeline designed to automatically detect intervertebral disc herniation, aiming to support faster and more accurate clinical decisions. A dataset of 165 lumbar spine MRI exams, totalling 5,200 sagittal slices from four manufacturers, was annotated by radiologists. The experiment includes a multi-stage approach. MA-Net with EfficientNet-B2 achieved the best segmentation results, reaching a Dice Score of 0.898. For herniation classification, the ViT model outperformed others, achieving an F1-Score of 0.905 and accuracy of 0.826. Simplifying the segmentation task to three classes enhanced robustness, and anatomical labelling enabled precise disc-level classification. The pipeline demonstrates the feasibility of automated herniation detection in lumbar MRI, supporting improved diagnostic consistency and reduced radiologist burden.

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Deep Neural Networks to the Detection of Lumbar Hernias: Methodology and Preliminary Results

  • António Fernandes,
  • João Rodriguez,
  • Susana Moleirinho,
  • Irina Trofimenko,
  • Ekaterina Guseva,
  • Alexander Martinovich,
  • Ilzane Morais,
  • Louise Bisolo,
  • Luis M. Gomes,
  • José M. Machado

摘要

The growing demand for lumbar spine MRI exams, coupled with a shortage of radiologists, highlights the need for automated diagnostic tools for spinal conditions. Despite advancements in AI across radiology, no CE or FDA-approved solutions currently target lumbar spine pathologies. This paper introduces a deep learning pipeline designed to automatically detect intervertebral disc herniation, aiming to support faster and more accurate clinical decisions. A dataset of 165 lumbar spine MRI exams, totalling 5,200 sagittal slices from four manufacturers, was annotated by radiologists. The experiment includes a multi-stage approach. MA-Net with EfficientNet-B2 achieved the best segmentation results, reaching a Dice Score of 0.898. For herniation classification, the ViT model outperformed others, achieving an F1-Score of 0.905 and accuracy of 0.826. Simplifying the segmentation task to three classes enhanced robustness, and anatomical labelling enabled precise disc-level classification. The pipeline demonstrates the feasibility of automated herniation detection in lumbar MRI, supporting improved diagnostic consistency and reduced radiologist burden.