Related Experiment Video
Updated: May 25, 2026
11:40
Building An Open-source Robotic Stereotaxic Instrument
Published on: October 29, 2013
[Stereotaxy and robotics for ablation - toy or tool?]
1Sektion für Mikroinvasive Therapie (SIP), Radiologische Klinik, Medizinische Universität Innsbruck, Anichstr. 35, A-6020, Innsbruck, Österreich. reto.bale@i-med.ac.at
Der Radiologe
|January 18, 2012
Summary
Stereotactic and robotic systems enhance tumor ablation accuracy, overcoming limitations of conventional methods. These advanced techniques improve outcomes, especially for large and complex tumors, offering better survival rates.
Area of Science:
- Oncology
- Medical Technology
- Surgical Innovation
Context:
- Ablative technologies offer local curative tumor treatment via thermal tissue damage, with tumor size being a key limitation.
- Conventional computed tomography/ultrasound/magnetic resonance imaging (CT/US/MRI) guided radiofrequency ablation (RFA) suffers from limitations including lack of planning software, imprecise probe placement, and unreliable ablation zone control.
- Stereotactic and robot-assisted systems address these limitations by enabling precise planning and placement of probes using advanced imaging data.
Purpose:
- To evaluate the efficacy and outcomes of stereotactic and robot-assisted radiofrequency ablation (SRFA) for tumor treatment, particularly for large or complex tumors.
- To compare the performance of SRFA with conventional methods in terms of survival rates and local recurrence.
- To highlight the advantages of advanced stereotactic and robotic systems in improving tumor ablation precision and reliability.
Summary:
- Stereotactic and robot-assisted systems allow for precise planning and multiple probe placements based on CT/MRI and PET data, overcoming the limitations of conventional RFA.
- Studies show high survival rates for SRFA in cholangiocarcinoma (1- and 3-year survival: 91% and 70%) and comparable local recurrence rates for colorectal liver metastases across different tumor sizes.
- SRFA demonstrates significant long-term survival benefits for patients with resectable colorectal cancer (1-, 3-, and 5-year survival: 92%, 66%, and 48%).
Impact:
- SRFA provides excellent, user-independent results, justifying the increased time and cost, especially for treating large and irregular tumors.
- These advanced techniques offer improved reliability and reproducibility in tumor ablation compared to conventional methods.
- Stereotaxy and robotics are poised to become increasingly important tools for effective tumor ablation, particularly for challenging cases.
