ProSoma 3.1 Virtual CT Simulation for Windows PCs

Connectivity/Database • Local DICOM database for all treatment-related patient scans, images, plans, structures etc. • DICOM 3D image import (CT, MR, PET etc.) • DICOM 4D images import (breathing patient beating heart) • DICOM-RT import export functionality (RT-plan, RT-struct, RT-image, SC) • Full DICOM Network connectivity & import/export functionality to any DICOM device and/or archive, including DICOM Archive query/retrieve • ProSoma Database Server for multi-client installations within a LAN/WAN network • Telemedical access over TCP/IP networks (phone line, internet) with guaranteed data integrity & security • Swapping out (archiving) data to external media like CD/DVD, MO-disc or DICOM archive • Connectivity to external Tera-bytes DICOM archive • Preview images of patient scans and plans during database browsing

Data handling • Configuration tools for any LINACS treatment machines or MLCs and their parameters/limits • Multi-volume multi-modality patient data handling • Automatic or semi-automatic 3D Fusion, e.g. CT/MR, CT/PET etc. (manual, marker based, VOI based, mutual-information automatic matching) • Various display modes for fused images (blending, split)

Contouring • VOI definition for target, body, risk-organs, etc. • 2D contouring using various modes (linear, smooth, free, ellipsoid, tubular) • Various 2D/3D contour editing tools • Interpolation of intermediate contours • 3D contouring by drawing contours on perpendicular slices • Contouring of branching structures • Autocontouring for body surface, lung, spine, brain, bone structures • Definition of areas in 3D views used for autocontouring • Positive and negative 3D margins for all types of contours • VOI combinations (subtraction and addition) • Definition of marker points

Planning • 3D simulation software for external beam planning • 4D planning (breathing patient) • 2D planning by drawing directly on simulator images • Any number of beams • Fast, precise, high-quality DRR (Beamview) and 3D reconstruction • Beam library for fast standard setups • Symmetric & asymmetric collimators, iso-center techniques, SSD setting, MLC, wedges and blocks definition including automatic PTV adaptation • Dynamic adaptation of collimation & MLC to target area • Adaptation to 2D structures on DRR including margins • Isocenter/Field edges output for LAP/A2J lasers • Export of blocks directly to cutting devices • Oblique cut and clipping tools • Various 2D/3D measurement tools • Video recorder with AVI-format output

Review tools: • Loading and review of RT DOSE files • Plan comparison • Addition and subtraction of dose distributions from multiple plans • Cumulative and differential DVHs • Portal Image module for field verification • Various display modes for DRR/portal image fusion Automatic registration of DRR and portal image including calculation of table shifts