Brain Tumor Patients In Taiwan Receive Radiosurgery Treatments On World’s Most Versatile Linear Accelerator

Neurosurgeons and
radiation oncologists at a leading cancer hospital in Taiwan are utilizing
the world’s most versatile medical linear accelerator to carry out highly
precise intra-cranial stereotactic radiosurgery treatments. Patients at the
Tzu Chi Buddhist Hospital in Taipei are benefiting from the latest in
state-of-the-art radiotherapy treatments delivered using Varian Medical
Systems’ Trilogy(R) accelerator.

Dr. Jing-Min Hwang, the hospital’s director of radiation oncology, said
he expects the Trilogy machine will enable him to expand his stereotactic
radiosurgery program from brain treatments to treatments throughout the
whole body.

“There are several neurosurgeons here who co-operate with us to treat
brain tumor patients, although we often deliver the full treatment
ourselves here in radiation oncology,” said Dr. Hwang. “We have treated
patients with acoustic neuroma, meningioma, brainstem neuroma and CP angle
tumor with stereotactic, image-guided and intensity-modulated radiosurgery
using both frame and frameless techniques. It’s very useful having a device
that is versatile enough to deliver the full range of treatments and fast
and reliable enough to deliver them within standard treatment times.”

Doctors at the center are currently treating up to 70 patients a day on
the Trilogy device, which is the only linear accelerator at the facility.
The versatile “all-in-one” device began treating patients last year. In
late June this year, specialists from throughout Taiwan visited Tzu Chi to
see the machine in action.

The Trilogy is used for a variety of treatments as well as
radiosurgery, including 3D conformal radiotherapy, intensity modulated
radiotherapy (IMRT) and image-guided radiotherapy (IGRT), with treatment
slots lasting 8-10 minutes for conventional treatments, 10-15 minutes for
3D conformal radiotherapy and 12-18 minutes for IMRT.

Dr. Hwang said image-guided procedures make it fast and easy to verify
the patient’s position at the time of treatment. “It was very hard to do
this on older machines because we needed to use film and sometimes
corrections to the couch position had to wait until the following day,” he
added. “Now we can do this real-time.”

Mr Chia-Ping Lin, the president of Varian’s agent in Taiwan for 38
years, said the Tzu Chi Buddhist Hospital in Taipei has also decided to
install one Varian low energy Clinac(R) accelerator dedicated to IMRT by
the end of this year due to increasing patient demand.

About Varian Medical Systems

Varian Medical Systems, Inc., of Palo Alto, California is the world’s
leading manufacturer of medical technology for treating cancer with
radiotherapy and neurological conditions with radiosurgery. The company is
also a premier supplier of X-ray tubes and flat-panel digital subsystems
for imaging in medical, scientific, and industrial applications. Varian
Medical Systems employs approximately 3,600 people who are located at
manufacturing sites in North America and Europe and in its 56 sales and
support offices around the world. In Europe, the company operates
manufacturing and engineering centers in Baden (Switzerland), Crawley
(England), Haan (Germany), Helsinki (Finland) and Toulouse (France) and has
headquarters for Europe, Middle East, India and Africa (EMEA) based in Zug,
Switzerland. Additional information is available on the company’s web site
at varian

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Statements in this press release regarding future business, events,
plans, objectives, expectations, estimates, and other similar matters,
including, but not limited to, statements using the terms “can” and
“expect,” constitute forward-looking statements within the meaning of the
Private Securities Litigation Reform Act of 1995. Such forward-looking
statements contained in this press release are subject to risks and
uncertainties that could cause actual results to differ materially from
those anticipated, including, but not limited to, the risks described in
the company’s Annual Report on Form 10-K and other reports filed from time
to time by the Company with the Securities and Exchange Commission. These
forward-looking statements represent the Company’s judgment as of the date
of this press release. The Company assumes no obligation to update or
revise these forward-looking statements because of new information, future
events, or otherwise.

Varian Medical Systems, Inc.


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