MR colonoscopy at 3.0 T: comparison with 1.5 T in vivo and a colon model.

Purpose: Retrospectively, magnetic resonance (MR) colonography images obtained from a colon model and in routine examinations of patients screened for polyps were compared in terms of whether, and to what degree, image quality improved at a higher field strength of 3.0 T compared to 1.5 T.