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[Puncture with an open-sided, interventional MRI system. Illustration with a case report]
A W Schoenenberger1, P Steiner, J F Debatin
1Departement Medizinische Radiologie, Universitätsspital Zürich.
Der Radiologe
|September 1, 1996
Summary
This study introduces a new MR-guided needle system for precise biopsies and laser fiber placement. The system simplifies interventions in difficult-to-reach areas, enhancing therapeutic monitoring.
Area of Science:
- Medical Imaging
- Interventional Radiology
- Biotechnology
Background:
- Open-configuration Magnetic Resonance (MR) systems offer improved patient access.
- Real-time imaging guidance is crucial for minimally invasive procedures.
Observation:
- A novel needle guidance system was developed for a 0.5 T open MR system.
- The system integrates real-time imaging for biopsies and laser fiber placement.
- Interactive needle guidance was achieved using dual LCD screens within the MR environment.
Findings:
- The MR-guided needle system demonstrated simple handling and real-time scan plane adaptation.
- Multi-angulated approaches enabled biopsies in challenging anatomical regions.
- The system facilitates precise needle positioning for interventional procedures.
Implications:
- MR-guided needle positioning is valuable for thermosensitive therapies.
- MR imaging's thermosensitivity allows for extensive intervention monitoring.
- This technology enhances the feasibility of minimally invasive procedures in complex anatomical sites.