1. INTRODUCTION
Magnetic resonance (MR) imaging offers superb soft-tissue characterization with global anatomic assessment, has no ionizing radiation, and, thus, has the potential to be a dominant pediatric imaging modality [1]. However, a major limitation of MR imaging is slow imaging speed relative to computed tomography (CT). The resulting motion artifacts and frequent need for anesthesia often result in preference by radiologists and referring clinicians for CT, given its relative ease of use and robustness.