Varian's RGSC for respiratory-gated image acquisition
The Siemens ASTRO booth also showcases the combination of Siemens' cutting-edge PET/CT technology with the new RGSC (Respiratory Gating for Scanners) from Varian Medical Systems. Based on respiratory gating technology developed by Varian for its TrueBeam™ radiotherapy system, the RGSC helps to synchronize the workflow between diagnostic imaging and respiratory-gated treatment delivery. The RGSC's optional Video Coaching Device provides the patient with real-time feedback on his or her breathing pattern. This information supports consistent breathing for higher-quality images that correspond to a particular phase in the breathing cycle, which is particularly important during imaging to effectively treat tumors that move as the patient breathes.
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syngo.via RT Image Suite software
Siemens' new syngo.via RT Image Suite software solution is designed to help radiation oncologists develop a comprehensive understanding of the patient by supporting a wide range of images, including MRI, CT, PET/CT, and cone beam CT – and to subsequently contour tumors and organs-at-risk efficiently.
Based on syngo.via, Siemens' comprehensive image viewing and processing software, syngo.via RT Image Suite has been developed to accommodate the increasing number and diversity of images used in radiation oncology, enabling the simultaneous display of up to eight fused image series on up to four image panels. With syngo.via RT Image Suite, tumors can be contoured quickly, even in moving 4D CT datasets for the lungs. And if an adaption of therapy is necessary during treatment, the software application is designed to support rapid recontouring. Images and contours created in syngo.via RT Image Suite can then be transferred to treatment planning systems such as Varian's Eclipse™ for dosimetric planning.
Paving the way for CT simulation and in-room PT research
Also at ASTRO 2015, Siemens showcases the SOMATOM Definition Edge CT System with optional TwinBeam Dual Energy – the company's premium CT scanner for research – to explore CT's future in radiation therapy research as well as its role in the rapidly growing field of proton therapy.² The SOMATOM Definition Edge enables access to functional information via CT perfusion to explore both qualitative and quantitative information regarding tumor vascularity. The simultaneous acquisition of high- and low-energy spectra performed by the system's optional TwinBeam Dual Energy feature facilitates investigation of research applications. The syngo.via-based syngo.CT Dual Energy Rho/Z application of the SOMATOM Definition Edge provides patient-specific information regarding electron density and the effective Atomic Number, which can be used for dosimetric research. Additionally, the syngo.CT Monoenergetic application enables the reconstruction of CT images at different energies with the goal of investigating improvements in consistent tumor delineation.
