In a retrospective study looking back at a decade of surgeries, Mayo Clinic Cancer Center researchers have determined that surgery to remove metastatic disease from the diaphragm, in conjunction with other procedures to remove the primary diseased tissue in ovarian cancer patients, significantly increases survival rates. Study results were published in Gynecologic Oncology online.
"Surgeons have long believed that removing as much diseased tissue as possible is important for survival of cancer patients," said William Cliby, M.D., associate professor of obstetrics and gynecology at Mayo Clinic. "The choice of many surgeons to not resect diaphragm disease in ovarian cancer patients seemed counterintuitive, but it was based on the feeling that it might not improve survival. We sought to address this issue."
Dr. Cliby’s team cited lack of evidence of survival benefit, concerns over safety (related to complexity and length of the surgery) and lack of surgeon experience as justifications often given for not proceeding with diaphragmatic surgery in advanced ovarian cancer patients. This study provided strong evidence of survival benefit. The five-year survival rates for patients with diaphragm disease who had optimal residual disease (less than 1 cm) was 55 percent for those undergoing diaphragm surgery versus 28 percent for those who did not.
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20.01.2017 | University of Illinois at Urbana-Champaign
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19.01.2017 | Rheinische Friedrich-Wilhelms-Universität Bonn
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Researchers from the University of Hamburg in Germany, in collaboration with colleagues from the University of Aarhus in Denmark, have synthesized a new superconducting material by growing a few layers of an antiferromagnetic transition-metal chalcogenide on a bismuth-based topological insulator, both being non-superconducting materials.
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Among the general public, solar thermal energy is currently associated with dark blue, rectangular collectors on building roofs. Technologies are needed for aesthetically high quality architecture which offer the architect more room for manoeuvre when it comes to low- and plus-energy buildings. With the “ArKol” project, researchers at Fraunhofer ISE together with partners are currently developing two façade collectors for solar thermal energy generation, which permit a high degree of design flexibility: a strip collector for opaque façade sections and a solar thermal blind for transparent sections. The current state of the two developments will be presented at the BAU 2017 trade fair.
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