Dynamic uncertainty-level assessment framework for real-time needle tracking in CT-guided surgical environments
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By
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Max Steiger
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Mohammad Rezapourian
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Marko Rak
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Christian Hansen
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June 5, 2026
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Clinical Scorecard: Framework for Assessing Dynamic Uncertainty Levels in Real-Time Needle Tracking During CT-Guided Surgical Procedures
At a Glance
| Category | Detail |
| Condition | CT-guided interventions |
| Key Mechanisms | Real-time needle tracking with dynamic uncertainty assessment |
| Target Population | Patients undergoing percutaneous biopsies and tumor ablations |
| Care Setting | Minimally invasive surgical procedures |
Key Highlights
- Dynamic uncertainty assessment framework improves tracking reliability
- Quantitative uncertainty output correlates with spatial tracking error
- Three methods for uncertainty estimation: classic, CNN-based, and hybrid CNN
- Framework enhances decision-making during complex surgical workflows
- Utilizes synchronized RGB cameras for accurate needle tracking
Guideline-Based Recommendations
Diagnosis
- Employ real-time tracking systems to minimize procedural errors
Management
- Utilize uncertainty levels to inform intraoperative decisions
Monitoring & Follow-up
- Regularly assess tracking accuracy and recalibrate as needed
Risks
- Misplaced needles and unintended tissue injury due to tracking inaccuracies
Patient & Prescribing Data
Patients requiring minimally invasive procedures
Real-time uncertainty quantification aids in procedural safety
Clinical Best Practices
- Incorporate dynamic uncertainty assessment in CT-guided interventions
- Use multiple tracking methods to enhance reliability and interpretability
- Ensure robust multi-view triangulation with camera setups
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