"Patients are instructed to hold their breath for 12 seconds at both peak points so that CT scans can be acquired," says Simon Downes, Director of Medical Physics. "The images show the tumor's position at both maximum inhalation and maximum exhalation, and guide treatment planning."
Clinicians plan lung treatments with XiO® treatment planning system. MOSAIQ® Oncology Information System is used to verify and record the plan. For immobilization, Prince of Wales clinicians use BodyFIX®, and Symmetry provides the needed data on tumor position - with Symmetry CBCT scans acquired just before treatment. Patients are treated on the center's Elekta Axesse™ system.
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"All of these different systems come together seamlessly to allow us to perform these lung treatments," Downes observes. "In particular, it's remarkable how well Symmetry maps the tumor's position. In a second Symmetry CBCT scan after treatment, we found that we had achieved less than a two millimeter positional error, meaning that the clinical target volume was still enclosed in the treatment field for the entire therapy session. It was a great result."
As lung cancer represents about nine percent of New South Wales' cancer cases, Prince of Wales clinicians anticipate a rapid increase in the number of cases for which Symmetry is employed, he says.
*Approval of indications may vary between different countries. Additional regulatory clearances may be required in some markets
About Elekta
Elekta is a human care company pioneering significant innovations and clinical solutions for treating cancer and brain disorders. The company develops sophisticated, state-of-the-art tools and treatment planning systems for radiation therapy, radiosurgery and brachytherapy, as well as workflow enhancing software systems across the spectrum of cancer care. Stretching the boundaries of science and technology, providing intelligent and resource-efficient solutions that offer confidence to both healthcare providers and patients, Elekta aims to improve, prolong and even save patient lives.
Today, Elekta solutions in oncology and neurosurgery are used in over 6,000 hospitals worldwide. Elekta employs around 3,300 employees globally. The corporate headquarters is located in Stockholm, Sweden, and the company is listed on the Nordic Exchange under the ticker EKTAb. Website: www.elekta.com.
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