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Advanced Treatment for Brain Tumors and Other Neurological Disorders

The Leksell Gamma Knife, the gold standard for treating brain tumors and other serious neurological disorders, is recognized worldwide as the ultimate tool for noninvasive stereotactic radiosurgery. It effectively treats many serious neurological conditions with the utmost patient safety and comfort. Since the first Gamma Knife was introduced forty years ago, hundreds of thousands of patients have experienced improved quality of life with the help of this powerful tool.

Introducing the Gamma Knife® PERFEXION™

Breakthrough's in technology have advanced the procedure and the latest generation Gamma Knife® PERFEXION™ has taken minimally invasive radiosurgery to a completely new level of sophistication, safety and effectiveness while maintaining full clinical compatibility with previously successful procedures and protocols. PERFEXION's extended treatable reach offers access to unlimited cranial volume and expands anatomical reach. In addition, by optimizing the system's robotic component, treatment times have been shortened dramatically.

Today, the exceptional benefits and wider application range of advanced Gamma Knife radiosurgery are improving the quality of life for many more patients with serious neurological conditions. Washington Hospital is proud to be the first hospital in the United States to install this powerful, leading edge instrument as the cornerstone of its new Taylor McAdam Bell Neuroscience Institute.

Gamma Knife can effectively treat:

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Leksell Gamma Knife® PERFEXION™

The ultimate tool for stereotactic radiosurgery is now at Washington Hospital.

  • A revolutionary alternative to traditional surgery and conventional radiosurgery - highly effective in treating conditions of the brain and head areas
  • Performed by a world renowned team of physicians and other medical experts
  • Fast, precise and comfortable - PERFEXION™ delivers on the promise of minimally invasive treatment.

Our Medical Directors

Sandeep Kunwar, M.D., Neurosurgeon

Sandeep Kunwar, M.D., Neurosurgeon

Co-Medical Director, Gamma Knife Program

Board certified in neurosurgery and renowned for his work in minimally invasive neurosurgery, Dr. Kunwar played an instrumental role in the evolution of the Taylor McAdam Bell Neuroscience Institute where he now serves as medical director for three of the Institute's programs.

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David Larson, M.D., Ph.D, Radiation Oncologist

David Larson, M.D., Ph.D, Radiation Oncologist

Co-Medical Director, Gamma Knife Program

Board certified in therapeutic radiology and recognized nationally and internationally for his work in stereotactic radiosurgery for the treatment of brain tumors, Dr. Larson serves as co-medical director of the Taylor McAdam Bell Neuroscience Institute's Gamma Knife® Program.

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About Washington hospital

Washington Hospital, located in Fremont, California, was the first hospital in the United States to treat patients using the new Leksell Gamma Knife Perfexion™, a revolutionary alternative to traditional open-brain surgery and/or daily radiation treatments, which are administered from four to six weeks. The Gamma Knife Perfexion instead uses focused doses of radiation without making a single incision to treat malignant and benign brain tumors in a matter of hours.

Washington Hospital's Gamma Knife® Program is led by one of the most accomplished teams of specialized physicians, physicists and nurses. Medical Directors neurosurgeon Sandeep Kunwar, MD, and radiation oncologist David Larson, MD, PhD, are both nationally and internationally recognized for their expertise, innovation and leadership in the field of Gamma Knife radiosurgery. Both board certified physicians, together they have more than 23 years of experience performing thousands of successful procedures.

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