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daily : 2016-11-30 & on time : 10:27
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Aussie researchers develop optical fibre to aid breast cancer surgery - Xinhua
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CANBERRA, Nov. 30 (Xinhua) -- Australian researchers have created a pH-sensitive optical fiber which can distinguish breast cancer tissue from regular tissue in a development which could help surgeons perform better surgeries.The development could one day prevent the need for follow-up surgery, currently required by up to one in five breast cancer sufferers.Dr Erik Schartner from the University of Adelaide said on Wednesday that his team's optical fiber works by detecting the different pH levels in the tissue, giving surgeons a better idea of where to cut.The pH indicator in the tip of the optical fiber emits a different color of light depending on the acidity level of the tissue, while a miniature spectrometer analyses the light and therefore the pH level in real time.
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Potential new tool to aid breast cancer surgery
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University of Adelaide researchers have developed an optical fiber probe that distinguishes breast cancer tissue from normal tissue - potentially allowing surgeons to be much more precise when removing breast cancer.The device could help prevent follow-up surgery, currently needed for 15-20% of breast cancer surgery patients where all the cancer is not removed.Published today in the journal Cancer Research, the researchers at the University of Adelaide in the ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), the Institute for Photonics and Advanced Sensing, and the Schools of Physical Sciences and Medicine, describe how the optical probe works by detecting the difference in pH between the two types of tissue.The research was in collaboration with the Breast, Endocrine and Surgical Oncology Unit at the Royal Adelaide Hospital.
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Pfizer's Herceptin biosimilar succeeds in key breast cancer study
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The Pfizer logo is seen at their world headquarters in New York April 28, 2014.REUTERS/Andrew Kelly/File photo - RTX2MJU3Pfizer Inc said on Wednesday its experimental biosimilar of Roche Holding AG's blockbuster breast cancer treatment Herceptin was found comparable with the branded version in a key study.Biotech drugs such as Herceptin are made in living cells, and then extracted and purified.They are more complex than traditional drugs and cannot be copied with precision.
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NICE backs anastrozole for breast cancer prevention
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The National Institute for Health and Care Excellence is now backing the use of three medicines to prevent breast cancer in women with a family history of the disease, adding anastrozole to the mix for the first time.The cost regulator is recommending that doctors prescribe either tamoxifen, raloxifene and now anastrozole to potentially hundreds of thousands of 'healthy' women who have no personal history of breast cancer but have a higher risk of developing it.According to the draft guidelines, doctors should offer tamoxifen for five years to premenopausal women at high risk of breast cancer, unless they have a past history or may be at increased risk of thromboembolic disease or endometrial cancer, and anastrozole for five years to postmenopausal women at high risk of breast cancer unless they have severe osteoporosis.For postmenopausal women at high risk of breast cancer with severe osteoporosis, but no history or increased risk of thromboembolic disease or endometrial cancer, tamoxifen should for offered, or raloxifene as an alternative to for women with a uterus.
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