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Matthijs Fitski

Clinical technologist and postdoc

Introducing new dimensions in pediatric oncologic surgery

During my PhD, I worked on improving the surgical technique and possibility of kidney-sparing surgery in children with kidney tumors. Surgical technique has been improved by using new 3D imaging techniques (e.g., the HoloLens for intraoperative holographic navigation). In addition, we have improved the possibility of kidney-sparing surgery by designing guidelines for the surgical assessment of this patient group. My PhD research is explained in this interview (English).

After my PhD, I now work as a clinical technologist in the department of pediatric surgery. I work on the implementation of 3D technology in pediatric surgical care. This is for example using 3D prints to explain operations but also making 3D saw molds to perform orthopedic operations more accurately. For this, I work one day a week at the 3DLab at UMCU. In my research, I continue to work on holographic navigation for children with kidney tumors and am closely involved in all 3D research in our department.  

  • Implicit neural representations for IVIM parameter estimation: application to Wilms Tumors

    • mei 2026
    • G. C., Arends, et al
  • Phantom design for tracked ultrasound-based surgical navigation systems

    • dec. 2025
    • Vera, van Boheemen, et al
    • MethodsX
  • A Community Benchmark for the Automated Segmentation of Pediatric Neuroblastoma on Multi-Modal MRI

    • nov. 2025
    • Myrthe, Buser, et al
    • Bioengineering
  • Evaluation of UNeXt for Automatic Bone Surface Segmentation on Ultrasound Imaging in Image-Guided Pediatric Surgery

    • sep. 2025
    • Jasper, van der Zee, et al
    • Bioengineering
  • Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation

    • sep. 2025
    • Nick Thomas, de Groot, et al
    • Journal of Visualized Experiments
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