Reduce Immobilization and Boost Accuracy in Extremity Treatments with AlignRT
Delivering radiation safely and efficiently to tumors in the limbs can be challenging due to the range of potential movement. Ensuring accurate positioning over multiple treatments is critical to matching the planned patient dose. Traditional methods often require excessive immobilization, making treatment uncomfortable for patients.
A study from Massachusetts General Hospital¹ using AlignRT on extremity sarcoma patients concluded that “surface imaging may reduce setup errors and is a feasible technique for daily image guidance.”
AlignRT offers a solution, reducing the need for immobilization while increasing accuracy in extremity treatments. The advanced SGRT system allows precise positioning and tracking in all six degrees of freedom, ensuring the limb is aligned just as it was during the CT scan—maximizing treatment accuracy with improved patient comfort.
AlignRT’s Postural Video module provides clear, multi-angle positional guidance during setup and monitoring, helping to reduce setup time by 29% compared to standard SGRT².
Benefits of SGRT for Extremities:
Enhanced Accuracy
Less Immobilization
Tattoo and Mark-Free
Workflow Optimization
Extremities Workflow with SGRT:
Plan
MapRT provides the freedom to explore a greater variety of non-coplanar beams, optimizing target conformality while decreasing the dose to organs at risk (OAR). This clearance mapping tool eliminates the need for complicated re-plans and QA checks, streamlining the workflow.
Treat
Dose
By capturing real-time imaging of dose delivery, DoseRT provides immediate feedback on any shifts in positioning or inconsistencies, reducing the risk of unintended dose variations and enhancing overall treatment effectiveness. This allows clinicians to make necessary adjustments in real-time or retrospectively, improving treatment precision and patient safety.
Hear from users on their clinical experiences:
- Gierga et al (2014). Analysis of setup uncertainties for extremity sarcoma patients using surface imaging. Practical Radiation Oncology, 4(4), pp.261–266. doi:https://doi.org/10.1016/j.prro.2013.09.001.
- Kira-Lee Oliver, Genesis Care Florida: “Efficiency, Standardisation and Clinical Excellence: One Goal Across a Large Network” SGRT Community Meeting (June 2022)
- Giantsoudi PhD, et al. Tattoo Free Set-up for Breast Cancer Patients Receiving Regional Nodal Irradiation, Practical Radiation Oncology (2022) doi.org/10.1016/j.prro.2022.08.001
- Mueller et al. Accuracy and Efficiency of Patient Setup Using Surface Imaging versus Skin Tattoos for Accelerated Partial Breast Irradiation (2023) doi.org/10.1016/j.adro.2023.101183
- Sauer, TO. et al. Prerequisites for the clinical implementation of a markerless SGRT-only workflow for the treatment of breast cancer patients. Strahlenther Onkol 199, 22–29 (2023) doi.org/10.1007/s00066-022-01966-7
- Wei et al. Quantifying the impact of optical surface guidance in the treatment of cancers of the head and neck. J Appl Clin Med Phys, 21 (2020), pp. 73-82 doi.org/10.1002/acm2.12867
- Hickey et al. Surface Guided Radiotherapy (SGRT) vs Varian RPM for deep inspiration breath-hold (DIBH) breast treatments (2021) doi.org/10.1016/j.ejmp.2021.01.021
- Kang, S., Jin, H., Chang, J.H. et al. Evaluation of initial patient setup methods for breast cancer between surface-guided radiation therapy and laser alignment based on skin marking in the Halcyon system. Radiat Oncol 18, 60 (2023) doi.org/10.1186/s13014-023-02250-3
- Flores-Martinez et al. Assessment of the use of different imaging and delivery techniques for cranial treatments on the halcyon linac. J Appl Clin Med Phys (2020) 21:53–61 doi.org/10.1002/acm2.12772
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