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OBJECTIVE Instrumentation of the osteoporotic spine may result in bone failure because of pedicle screw loosening and pullout. A clinical evaluation of a novel fenestrated bone tap used in pedicle screw augmentation was performed to determine the performance and safety of this technique. METHODS Over a 2.5-year period, the clinical and radiographic(More)
BACKGROUND CONTEXT Osteoporotic vertebral compression fractures (VCFs) are being increasingly treated with minimally invasive bone augmentation techniques such as kyphoplasty and vertebroplasty. Both are reported to be an effective means of pain relief; however, there may be an increased risk of developing subsequent VCFs after such procedures. PURPOSE(More)
OBJECT Instrumentation of the osteoporotic spine can be fraught with complications such as hardware failure. A cadaver study was performed to determine the biomechanical performance of polymethylmethacrylate (PMMA)-augmented pedicle screws. METHODS Three osteoporotic human cadaveric specimens with a mean bone mineral density of 0.70 g/cm2 were used to(More)
BRAF25 is an alternatively spliced protein of BRAF35 (see associated paper). We have mapped the BRAF25 gene to chromosome sub-band 19p13.3, a region where loss of chromosomal heterozygosity has been reported in about 50% of ovarian cancers. Because of the high incidence of genetic links of prostate cancer to breast and ovarian cancers, we investigated the(More)
The epithelial cells of prostate gland secrete various secretory products that play an important role in the growth and differentiation of prostate gland. These secretory products have also been implicated in neuroendocrine differentiation of benign prostatic hyperplasia and prostate malignancy. We have cloned a prostate-derived cDNA encoding a novel(More)
Inheritance of mutations in the breast cancer susceptibility gene, BRCA2, predisposes humans to breast and ovarian cancers. Inherited mutations in the BRCA2 gene are also known to cause susceptibility to prostate cancer. BRCA2 protein exists in a large multi-protein complex from which a novel structural DNA binding protein BRCA2-associated factor 35(More)
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