Radiosurgery

Stereotactic radiosurgery is an incision-less treatment sometimes used for tumors and vascular conditions in the brain. To perform stereotactic radiosurgery, doctors take detailed 3-D scans of the brain. Using those scans, they program precise beams of radiation to enter from multiple angles. Each individual beam of radiation is relatively weak, but where they converge on the target, their additive effect is strong.The powerful dose of radiation disrupts the tumor’s DNA, preventing its cells from reproducing. Over the course of weeks or months, the tumor shuts down.

 

Stereotactic radiosurgery has several benefits: It is non-invasive, so does not entail surgical risks like infection, bleeding, or anesthesia complications. Discomfort and recovery time are minimal, so it is usually performed as an outpatient procedure. And it is designed to spare normal tissue around the tumor or vascular condition, even allowing doctors to access tissue that would otherwise be inaccessible.

Below is a video of Dr. Sisti giving an overview of radiosurgery and how he uses it for his patients.

See Dr. Sisti’s publications on Radiosurgery

DR. MICHAEL SISTI DISCUSSING RADIOSURGERY
What Happens When a Neurosurgeon Needs a Neurosurgeon?

What Happens When a Neurosurgeon Needs a Neurosurgeon?

When Brazilian neurosurgeon Jose Nasser felt numbness on one side of his face, he hoped it was a minor nerve problem and that it would go away quickly. But he decided to have an MRI done just in case. The MRI showed that Dr. Nasser had an acoustic neuroma, a tumor...

Dr. Michael Sisti’s Patient Lives Olympic Dream

Dr. Michael Sisti’s Patient Lives Olympic Dream

It has been a few years since we shared the inspiring story of the olympian Josephine Pucci.  And now, with the 2018 Winter Olympics underway in South Korea, we thought, what better time to put her story front and center once again. Before we do, we'd like to give you...

Dr. Sisti’s Patient ‘In Great Hands’

Dr. Sisti’s Patient ‘In Great Hands’

When Jodie Leitner went to a routine checkup in the fall of 2014, she told her doctor she had been having unusual headaches. “I had had sinus headaches in the past,” she says, “and these headaches were different.” So her doctor sent her for an MRI. The MRI showed a...

A Patient Surprises Dr. Sisti With a Gift No Money Can Buy

A Patient Surprises Dr. Sisti With a Gift No Money Can Buy

  The gifts that move us, tug at our hearts, come when we least expect them and, in an instant, remind us of what’s important. Looking at the gift-wrapped box from his patient, Dr. Michael B. Sisti of Columbia Neurosurgery, didn’t know what the contents could be....

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