PET/MRI With Diagnostic MR Sequences vs PET/CT in the Detection of Abdominal and Pelvic Cancer.  
Background: When compared with CT, MRI has advantages of better spatial resolution without ionizing radiation. Recently, MRI has been combined with FDG PET to potentially offer benefits in certain tumor evaluations. Objective: To evaluate the performance of PET/MRI compared with PET/CT in evaluating abdominal and pelvic tumors. Design: Prospective study. Participants: 45 oncologic patients who underwent PET/CT and PET/MRI. Methods: PET/CT was performed after an average of 64 minute more...