Publications by authors named "Simon D Steppacher"

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[Periprosthetic acetabular fracture].
Jose A Roshardt, Silviya Ivanova, Hannes Kuttner, Christiane Leibold, Simon D Steppacher

Unfallchirurgie (Heidelb)· October 2025

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Magnetic Resonance Imaging-Based 3-Dimensional Models of the Pelvis and Hip Using Machine Learning for Automatic Bone Segmentation in a Dynamic Hip Impingement Simulation.
Till D Lerch, Guodong Zeng, Adam Boschung, Malin K Meier, Simon D Steppacher

Orthop J Sports Med· September 2025

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Patients Aged 60 or Older with Surgically Treated Periprosthetic Acetabular Fractures Are at Similar Risk of Death at One Year Compared to Native Acetabular Fractures.
Vera M Stetzelberger, Julien Hirt, Iris F Brouze, Simon D Steppacher, Joseph M Schwab

J Clin Med· September 2025

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Normal range of femoral version for different measurement methods on CT or MRI-scoping review of normal femoral version.
Till D Lerch, Thierry Leimbacher, Malin K Meier, Adam Boschung, Emanuel F Liechti, Simon D Steppacher

J Hip Preserv Surg· August 2025

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Contribution of Labrum and Cartilage to Joint Surface in Different Hip Deformities: An Automatic Deep Learning-Based 3-Dimensional Magnetic Resonance Imaging Analysis.
Malin K Meier, Jose A Roshardt, Adrian C Ruckli, Nicolas Gerber, Till D Lerch, Simon D Steppacher

Am J Sports Med· July 2025

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Ischiofemoral impingement in joint preserving hip surgery: prevalence and imaging predictors.
Alexander F Heimann, Moritz Wagner, Peter Vavron, Alexander Brunner, Till D Lerch, Simon D Steppacher

Insights Imaging· April 2025

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A deep learning approach for automatic 3D segmentation of hip cartilage and labrum from direct hip MR arthrography.
Malin Kristin Meier, Ramon Andreas Helfenstein, Adam Boschung, Andreas Nanavati, Adrian Ruckli, Simon D Steppacher

Sci Rep· February 2025

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Computed tomography-based automated 3D measurement of femoral version: Validation against standard 2D measurements in symptomatic patients.
Florian Schmaranzer, Mohammadreza Movahhedi, Mallika Singh, Jennifer R Kallini, Andreas K Nanavati, Simon D Steppacher

J Orthop Res· October 2024

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CT-guided infiltration of the ischiofemoral space in young patients with ischiofemoral impingement is an effective diagnostic tool.
Alexander F Heimann, Moritz Wagner, Peter Vavron, Alexander Brunner, Ricardo Donners, Simon D Steppacher

Insights Imaging· October 2024

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What Is the Influence of Femoral Version on Size, Tear Location, and Tear Pattern of the Acetabular Labrum in Patients With FAI?
Alexander F Heimann, Inga Almut Senta Todorski, Florian Schmaranzer, Martino Viganò, Till D Lerch, Simon D Steppacher

Clin Orthop Relat Res· September 2024

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Low Rate of AVN and Complications in Unstable SCFE With Epiphyseal-metaphyseal Discontinuity After Treatment With a Modified Dunn Procedure.
Kai Ziebarth, Till D Lerch, Tilman Kaim, Joseph M Schwab, Simon D Steppacher

Clin Orthop Relat Res· September 2024

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Femoral head decentration on hip MRI: comparison between imaging planes, methods of contrast administration, and hip deformities.
Florian Schmaranzer, Tadeus A Becker, Alexander F Heimann, Jose Roshardt, Joseph M Schwab, Simon D Steppacher

Insights Imaging· August 2024

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Modified Dunn Procedure for Open Reduction of Chronic Slipped Capital Femoral Epiphysis.
Klaus A Siebenrock, Simon D Steppacher, Kai Ziebarth, Joseph M Schwab, Lorenz Büchler

JBJS Essent Surg Tech· July 2024

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Rotational femoral osteotomies and cam resection improve hip function and internal rotation for patients with anterior hip impingement and decreased femoral version.
Till D Lerch, Malin K Meier, Markus S Hanke, Adam Boschung, Florian Schmaranzer, Simon D Steppacher

J Hip Preserv Surg· July 2024

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Are degenerative findings detected on traction MR arthrography of the hip associated with failure of arthroscopic femoroacetabular impingement surgery?
Till D Lerch, Andreas K Nanavati, Alexander F Heimann, Malin K Meier, Simon D Steppacher

Eur Radiol· June 2024

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MR-based Bony 3D models enable radiation-free preoperative patient-specific analysis and 3D printing for SCFE patients.
Till D Lerch, Tilman Kaim, Valentin Grob, Markus Hanke, Florian Schmaranzer, Simon D Steppacher

J Child Orthop· April 2024

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MRI 3D simulation of hip motion in female patients with and without ischiofemoral impingement.
Till D Lerch, Florian A Huber, Miriam A Bredella, Simon D Steppacher, Moritz Tannast

Skeletal Radiol· January 2024

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Correction: Can gadolinium contrast agents be replaced with saline for direct MR arthrography of the hip? A pilot study with arthroscopic comparison.
Malin K Meier, Moritz Wagner, Alexander Brunner, Till D Lerch, Simon D Steppacher

Eur Radiol· December 2023

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High treatment failure rate in haematogenous compared to non-haematogenous periprosthetic joint infection.
Leonard Knoll, Simon D Steppacher, Hansjakob Furrer, Maria C Thurnheer-Zürcher, Nora Renz

Bone Joint J· December 2023

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Hip Impingement of severe SCFE patients after in situ pinning causes decreased flexion and forced external rotation in flexion on 3D-CT.
Till D Lerch, Young-Jo Kim, Ata Kiapour, Adam Boschung, Simon D Steppacher

J Child Orthop· October 2023

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Hip MRI in flexion abduction external rotation for assessment of the ischiofemoral interval in patients with hip pain-a feasibility study.
Alexander F Heimann, Jonas Walther, Moritz Tannast, Joseph M Schwab, Moritz Wagner, Simon D Steppacher

Insights Imaging· October 2023

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Can gadolinium contrast agents be replaced with saline for direct MR arthrography of the hip? A pilot study with arthroscopic comparison.
Malin K Meier, Moritz Wagner, Alexander Brunner, Till D Lerch, Simon D Steppacher

Eur Radiol· September 2023

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Posterior Hip Impingement at Maximal Hip Extension in Female Patients With Increased Femoral Version or Increased McKibbin Index and Its Effect on Sports Performance.
Adam Boschung, Tiziano Antioco, Simon D Steppacher, Moritz Tannast, Eduardo N Novais

Orthop J Sports Med· July 2023

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Does the dGEMRIC Index Recover 3 Years After Surgical FAI Correction and an Initial dGEMRIC Decrease at 1-Year Follow-up? A Controlled Prospective Study.
Malin Kristin Meier, Samira Scheuber, Markus Simon Hanke, Pascal Cyrill Haefeli, Adrian Cyrill Ruckli, Simon Damian Steppacher

Am J Sports Med· June 2023

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Assessment of femoral retroversion on preoperative hip magnetic resonance imaging in patients with slipped capital femoral epiphysis: Theoretical implications for hip impingement risk estimation.
Till D Lerch, Tilman Kaim, Markus S Hanke, Florian Schmaranzer, Simon D Steppacher

J Child Orthop· April 2023

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