NEWPORT NEWS, Va. and ATLANTA, June 23 /PRNewswire/ -- On March
Radiosurgery is a form of radiation therapy that emphasizes higher than typical radiation doses applied with extreme accuracy and over a very limited number of therapy sessions. Gamma Knife surgery is accomplished nearly exclusively in one treatment, while linear accelerator-based radiosurgery involves one to five sessions or "fractions." Riverside worked with the University of Virginia (Charlottesville, Va.) to establish the Riverside facility, starting Gamma Knife treatments in June 2006 and Elekta Synergy S treatments in May 2007.
"Some centers economize by acquiring a single general system to perform radiosurgery for all targets in the head and body," says Riverside radiation oncologist Ronald Kersh, M.D. "However, if you're serious about attaining the highest radiosurgical accuracy possible, you need to consider dedicated treatment systems. Leksell Gamma Knife is viewed as the gold standard for accuracy in treating intra-cranial targets, such as metastases and functional disorders. Similarly, Elekta Synergy S not only provides exceptional accuracy for extracranial targets, but it also complements Gamma Knife by enabling treatment of larger intra-cranial lesions located in critical areas that would benefit from a multi-fraction approach, such as large meningiomas or optic nerve tumors."
Need for body radiosurgery evident from the start
Riverside's region in eastern Virginia has demonstrated a high demand for radiosurgical services, with each year's patient volume exceeding the last and the third year seeing an explosion in referrals, Dr. Kersh says.
"Our Synergy S volume has exceeded expectations, both in terms of volume — which is four to five cases per day — and in variety. We had anticipated mostly spine lesions and some brain tumors that weren't suitable for Gamma Knife surgery, but we are also treating gynecologic indications — such as ovarian cancer — mediastinal-based subcarinal tumors and adrenal gland tumors. Our lung tumor volume has been the biggest surprise — it has surpassed our spine volume. We had no idea how much demand there would be for body radiosurgery."
Riverside clinicians' confidence in their radiosurgical treatment technology and physicists has enabled them to aggressively treat lesions in sensitive areas, particularly the mediastinum, where the esophagus, heart, trachea and paratracheal lymph nodes are located.
"The challenging part is placing the radiation beams to avoid overexposure to the esophagus, trachea and heart," he continues. "We have treated multiple tumors right beside the heart and have seen no cardiac toxicity. I credit our team approach and the excellent work of Riverside physicists in allowing us to do that."
Diverse range of Gamma Knife surgery cases
A classical indication for Leksell Gamma Knife centers worldwide is metastatic disease in the brain, with more than 200,000 brain metastases patients treated to date. At Riverside, brain metastasis cases comprise 45 percent of its Gamma Knife patient volume. Benign disorders make up 55 percent of Riverside's brain radiosurgery volume.
Whether the patient visits Riverside for a brain or body cancer or disorder, Riverside staff prides itself on their collaborative team approach, involving radiation oncologists, neurosurgeons and physicists who consult on all cases. The accumulated expertise and experience from each discipline helps the team arrive at the best possible therapy for the patient.
According to Riverside physicist Martin Richardson, M.S.: "There aren't many dedicated radiosurgery centers where patients are going to see a member of the neurosurgical team, a radiation oncologist, a medical physicist, a nurse and a therapist — all of whom are qualified to treat with Gamma Knife surgery and Elekta Synergy S — when they walk through the door."
Richardson estimates Riverside will reach its 2,000(th) patient treated with radiosurgery in 30 months.
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 and radiosurgery, 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, making the future possible today.
Today, Elekta solutions in oncology and neurosurgery are used in over 5,000 hospitals globally, and every day more than 100,000 patients receive diagnosis, treatment or follow-up with the help of a solution from the Elekta Group.
Elekta employs around 2,500 employees globally. The corporate headquarter is located in Stockholm, Sweden, and the company is listed on the Nordic Exchange under the ticker EKTAb. For more information about Elekta, please visit www.elekta.com.
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