SA-Profile: Automated Sulcus Angle Profiling from Super-Resolution MRI

The sulcus angle is commonly used to assess trochlear morphology but is typically measured on a single axial MR slice. In this project, we developed an automated framework that extends this conventional measurement to a continuous sulcus angle profile across the trochlear region. Clinical axial, coronal, and sagittal MR scans are combined using implicit neural representations to reconstruct a high-resolution volume, from which sulcus angles are automatically determined using landmark detection networks. The method was evaluated on the public fastMRI dataset and an in-house cohort of patients with trochlear dysplasia, demonstrating distinct mean sulcus angle profiles between the two cohorts. The approach enables a more comprehensive description of trochlear morphology without requiring additional imaging and remains directly linked to established clinical assessment.

For more information about this project, please contact Michael Wehrli.

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Michael Wehrli

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Lorenzo Pettinari

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Leo Widmer

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Sidaty El Hadramy 

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Paul Friedrich

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Philippe C. Cattin

  • Luana Brahaj, Department of Biomedical Engineering, University of Basel
  • Dr. med Edwin Li, Olten Cantonal Hospital
  • Prof. Dr. Carol-Claudius Hasler, Department of Orthopedics, University Children's Hospital Basel

     

Werner Siemens Foundation through the MIRACLE II project

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