Florian Wiesinger1, Sandeep Kaushik2, Dattesh Shanbhag2, Venkata Chebrolu2, Vivek Vaidya2, Sangtae Ahn3, Lishui Cheng3, Andrew Leynes4, Jaewon Yang4, Thomas Hope4, and Peder Larson4
1GE Global Research, Munich, Germany, 2GE Global Research, Bangalore, India, 3GE Global Research, Niskayuna, NY, United States, 4University of California San Francisco, San Francisco, CA, United States
We describe a novel PET/MR attenuation correction (AC)
method based on zero TE MR imaging that is fast, robust and accounts for
bone. The method, termed ZT-AC, was
tested for N=10 PET/MR patients in the head and compared relative to
gold-standard CT-AC and atlas-based AC methods.