title: Invited commentary.
authors.affiliation: Department of Radiology, New York University Medical Center, New York, NY, USA.
authors.forename: Michael
authors.initials: M
authors.lastname: Macari
authors.forename: Anno
authors.initials: A
authors.lastname: Graser
authors.forename: Douglas S
authors.initials: DS
authors.lastname: Katz
mesh_terms: D006801:Humans; D010388:Pelvis / Q000000981:diagnostic imaging*; D011860:Radiography, Abdominal / Q000379:methods*; D015900:Radiography, Dual-Energy Scanned Projection / Q000379:methods*; D014057:Tomography, X-Ray Computed / Q000379:methods*