WASHINGTON--(BUSINESS WIRE)--Just as the clarity of high definition television has transformed the entertainment world, Siemens Medical Solutions (www.usa.siemens.com/medical) is redefining the quality of molecular imaging with the introduction of high definition positron emission tomography. At the 2007 Society of Nuclear Medicine Annual Meeting (SNM), held June 2-6 in Washington, DC (booth #606), Siemens will unveil HD•PET, the world’s first and only high definition PET technology to offer consistently sharper and clearly defined images across the entire field of view.