Beijing PLA General Hospital treats more than 1,000 neurosurgery patients using VISIUS® Surgical Theatre

Beijing PLA General Hospital treats more than 1,000 neurosurgery patients 
using VISIUS® Surgical Theatre 
iMRI assists in determining if all of tumor is removed 
WINNIPEG, Nov. 15, 2012 /CNW/ - IMRIS Inc. (NASDAQ: IMRS; TSX: IM) ("IMRIS" or 
the "Company") today announced PLA General Hospital in Beijing, China, has 
surpassed a major milestone of treating more than 1,000 neurosurgery patients 
using a VISIUS(®) Surgical Theatre. PLA General Hospital was the first 
hospital in China to install a VISIUS Surgical Theatre featuring a ceiling 
mounted, high-field intraoperative MR (iMRI) in February 2009. 
"With the VISIUS Surgical Theatre, we recognized surgical precision 
enhancement and the ability to improve the extent of resection and reduce 
re-surgeries in tumor cases without moving the patient," said Dr. Bainian Xu, 
hospital chief neurosurgeon. "Use of iMRI," he said, "provided us the three 
M's of operation: maximum removal of lesion, minimum injury to neurologic 
function, and marvelous patient recovery." 
Dr. Xu added, "The percentage of patients with total resection (tumor removal) 
in our department has been enhanced to 89%, and in 31% of all cases we 
resected additional tumor after an intraoperative MR scan that would have 
otherwise been missed." He also said this experience in improved precision is 
leading to fast developing changes in operational theories and methods for 
deep-brain, functional area and skull base procedures at their hospital. 
The types of neurosurgical procedures included in the 1,000 cases are gliomas, 
pituitary adenomas, vascular lesions, frameless biopsies, skull-based 
procedures, metastatic tumor surgeries, epilepsy, and meningiomas. 
This past April, Dr. Xiaolei Chen, associate professor of neurosurgery at PLA 
General Hospital, presented preliminary results of the first randomized 
clinical trial that studied the resection of low-grade insular glioma using 
high-field 1.5T iMRI at the American Association of Neurological Surgeons 
(AANS) annual meeting. The study results show significantly greater extent of 
tumor resection, better rates of total resection and better long-term outcomes 
for the group undergoing surgery with iMRI in a VISIUS Surgical Theatre, 
compared to the control group without iMRI. 
About IMRIS 
IMRIS (NASDAQ: IMRS; TSX: IM) is a global leader in providing image guided 
therapy solutions through its VISIUS Surgical Theatre - a revolutionary, 
multifunctional surgical environment that provides unmatched intraoperative 
vision to clinicians to assist in decision making and enhance precision in 
treatment. VISIUS Surgical Theatres serve the neurosurgical, cardiovascular 
and cerebrovascular markets and have been selected by leading medical 
institutions around the world. 
Brad Woods Director Investor Relations & Corporate Communications IMRIS Inc. 
Tel: 204-480-7094   
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-0- Nov/15/2012 16:30 GMT
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