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This clinical pattern is similar to that identified in the Ashkenazi populations that resulted in the discovery of BRCA-1 and -2 gene mutations, prompting many researchers to take a position that there may also be a genetic component adding to breast malignancy in African Americans. Alero Fregene, M.D. And Lisa A. Newman, M.D., M.P.H. Of the University of Michigan Comprehensive Cancers Center conducted an extensive literature overview of English-language research of breast tumor in sub-Saharan Africa. They say understanding the breast tumor burden and clinical features in sub-Saharan Africa, where the majority of African American trace their ancestry from, may contribute to the understanding of racial elements in breast malignancy.Your spine shall thank you, too.. 3D printer reconstructs man’s face after motorcycle crash In a surgical milestone, 3D printing has been used to reconstruct the facial skin of a guy who was badly injured in a motorbike accident that still left him with broken cheekbones and eyes sockets, a fractured skull and a broken jaw. Face reconstructed with 3D printer Doctors in Wales use completely new 3D technology to correct accident victims facial accidental injuries Stephen Power, 29, of Cardiff, Wales, was badly wounded in a motorcycle incident in September 2012 that left him with intensive injuries. Besides the critical facial fractures, he also got two broken arms and a badly damaged left leg that needed a bone graft.