Oncology Imaging Zeros in on Lesions

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Image courtesy of Median  
Median LMS-Liver  

Oncology imaging and treatment planning systems continue to offer more tailored and precise radiation treatment planning and delivery. Vendors at RSNA 2007 are showcasing how advances are allowing healthcare facilities of all sizes to leverage software for quality assurance, improved workflow efficiency and management of multiple machines.

Collimator advancements allow for finer beam shaping, letting physicians craft the best treatment for cancerous lesions while better preserving healthy tissue. These more precise surgical systems require more dynamic image visualization.  The ability to more precisely measure lesion growth helps physicians better tailor treatment, so systems designed to track growth play a vital role in oncology imaging. Also look for offerings that allow for better PACS integration and systems communication.


Carestream Health (Booth 2513) is demonstrating the Kodak 2000RT CR Plus System and Kodak Radiation Oncology Beam Dosimetry Package, which provide flexibility and precision when conducting portal and simulation imaging, as well as essential dosimetric and physics quality assurance testing. The 2000RT CR Plus is a computed radiography system designed specifically for radiation oncology professionals. It supports multiple treatment rooms and multiple linear accelerators and simulation devices, regardless of manufacturer or age. It can be networked to any DICOM-compatible QC image analysis software and oncology information systems, as well as linked to the PACS to enable images to be reviewed on workstations outside the oncology department. A work list function can be integrated to the hospital HIS/RIS to enable improved workflow and increased productivity. For standalone cancer centers, Kodak Radiation Oncology Software provides features optimized specifically for radiation oncology workflow, such as importing digital reconstructed radiographs for side-by-side viewing, DICOM RT or DICOM 3.0 output, and the ability to view and approve images on any networked PC.

The addition of the Kodak Radiation Oncology Beam Dosimetry Package allows physicists to perform a wide range of machine, beam and IMRT QA imaging―along with the CR platform’s existing ability to capture portal localization, verification and simulation images required for radiation therapy patients. Physicists also can use the CR system for stereotactic QA, IGRT verification, HDR QA, and laser alignment imaging.

Cedara Software (Booth 1316) is highlighting its Cedara I-Response application, designed to help evaluate, assess and monitor the effect of cancer therapy over time using data from multiple modalities. In addition to providing tools for the standard anatomical measurements used for tumor assessment in cancer management and research, the Cedara I-Response can analyze both PET/CT and MR-based diffusion-weighted imaging (DWI). By providing the ability to visualize changes in tumors resulting from cellular and metabolic mechanisms during the course of treatment, Cedara I-Response provides clinically relevant information that potentially could be used to make mid-treatment therapy adjustments in an attempt to improve clinical outcome.

Cedara I-Response also features patented functional Diffusion Map (fDM) technology based on landmark work done at the University of Michigan. This functionality enables physicians to analyze DWI studies to visualize and quantify changes over time in the microscopic motion of water in healthy and diseased tissues. University of Michigan investigators have demonstrated that fDM can identify brain tumor patients who are responding to radiation (plus adjuvant chemotherapy in some cases) after only three weeks of treatment, more than two months earlier than conventional methods. The results of each analysis are included in automatically-generated reports, as well as exporting the results to file for import into a site’s existing data repositories. I-Response is available to OEMs as a standalone workstation, it also can be tightly integrated into existing PACS solutions using Cedara’s unique C4 integration platform—a configuration that is a works in progress.

Median Technologies (Booth 8548) is highlighting its LMS-Lung/Track and LMS-Liver software applications, which are designed to efficiently assist radiologists managing oncology patients in all steps from lesion measurement and follow-up to report generation for referring physicians. The applications segment user-identified lesions