Abstract #2022: "Direct Comparison of Microsurgery and Gamma Knife Radiosurgery on Small Size Meningiomas"; Shyamal C. Bir, MD, PhD, post-doctoral fellow, Louisiana State University Health Sciences Center Shreveport and Anil Nanda MD, MPH, Professor and Chairman of the Department of Neurosurgery at LSU Health Sciences Center at Shreveport. In this study, investigators performed a retrospective review of 90 consecutive patients with small intracranial meningiomas (benign tumors arising from the membranes covering the brain and spinal cord) undergoing microsurgery (n= 31) or Gamma Knife radiosurgery (n=59). Study results demonstrated that Gamma Knife radiosurgery was associated with significantly higher local control of tumor growth compared with microsurgical resection at five and 10 years (p=0.02 and p=0.003, respectively). In addition, the median recurrence free survival period was also significantly higher in the Gamma Knife group (p=0.04).
The posters for Abstracts #1837 and #2022 are available through the AANS conference app.
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"The inclusion of more than 15 data abstracts at this major neurosurgery conference underscores the fundamental role that Gamma Knife plays today in the treatment of cancer and other complex neurological disorders," says Söderqvist. "These studies also highlight the potential of Gamma Knife to enable the treatment regimens of tomorrow, offering the enhanced radiation targeting and sparing of healthy tissue that is essential for optimum care and outcomes."
Additional data presented during the conference (Abstract #2331) confirmed that Elekta's Leksell Gamma Knife was the most frequently mentioned SRS system in a comprehensive clinical literature review with 11,638 citations out of 13,539 articles retrieved. Gamma Knife was also the most frequently cited SRS system in neurosurgical indications, including brain metastases (n=1037), arteriovenous malformation (n=734) and spinal metastases (n=184).
For more information on Gamma Knife, visit Elekta booth 2139 at AANS 2017 or www.gammaknife.com.
*Leksell® Vantage™ Stereotactic System is pending 510(k) clearance and not available for sale or distribution in the United States.
SOURCE Elekta
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