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Navigated CT‐guided interventions

Diagnostic and therapeutic CT‐ guided percutaneous interventions are clinical routine in interventional radiology. Image‐guided navigation systems visualize the internal anatomy during interventions in real time not necessitating continuous image acquisition. Although multiple 3D image‐guidance devices have been developed and used by several surgical disciplines in the last few years, they have not yet been fully applied by the interventional radiologist. The aim of this article is to review the currently performed methods of CT‐guided percutaneous interventions and to discuss the potential benefits of newly developed 3D‐ navigation systems.