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BACKGROUND Polyetheretherketone (PEEK) rod system is a novel pedicle-based dynamic stabilization system. This study evaluated clinical and radiographic outcomes of non-fusion surgery by PEEK rod systems for treatment of degenerative lumbar diseases with a 2-year follow-up. METHODS From February 2012 to October 2012, 38 patients who underwent non-fusion(More)
Osteosarcoma has become a health threat for adolescents and young adults. To identify the genetic risk factor for the malignancy is in urgent need. Several studies have investigated the role of CD 152 polymorphisms in osteosarcoma in a sample of Chinese population. However, the association is poorly defined due to lack of a sufficiently large sample. In(More)
BACKGROUND Rocker is a novel interspinous process stabilization (IPS) that can be installed via unilateral approach by virtue of its unique design. This controlled study compared the clinical outcome of Rocker versus X-Stop to access the feasibility and validity of the novel IPS. METHODS From March 2011 to September 2012, 32 patients treated with Rocker(More)
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