What type of study is this?

This is a Experimental Study study (also classified as: Quantitative Study).

September 17, 2025

Physics-Driven Needle Tracking for MR-Guided Percutaneous Interventions

Key Points

Accurate localization was achieved using only 16 spokes, indicating high efficiency in needle tracking despite strong artifacts.
Needle artifacts from a golden-angle radial GRE sequence were effectively simulated to develop a robust localization method.
The proposed approach potentially enhances the precision of MRI-guided percutaneous interventions by improving tracking capabilities.
Further validation is needed to confirm the method's reliability in various clinical scenarios involving needle interventions.

Abstract

Motivation: MRI-guided percutaneous needle interventions offer high precision for targeted procedures, however, accurate needle localization remains a challenge due to limited real-time tracking capabilities. Goal(s): We developed a pysics-driven approach for needle localization in undersampled data. Approach: Needle artifacts were simulated for a golden-angle radial GRE sequence and used to develop a library-based localization method. Results: Accurate and robust localization was obtained using only 16 spokes, despite the appearance of strong streaking artifacts. Impact: Our approach shows potential to enable smoother guidance and increased accuracy during percutaneous interventions.

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Cite This Study

Schwieters et al. (Tue,) studied this question.

synapsesocial.com/papers/68d45b1b31b076d99fa5d3f8 https://doi.org/https://doi.org/10.58530/2025/4836

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