MRI - MR enterography
Coronal T2
Coronal T1 C+ fat sat
Axial T1 C+ fat sat
Coronal T2 fat sat
MRI enterography for confirmation of suspected CT finding and to exclude other small bowel polyps. Oral preparation with mannitol. Isolated, enhancing polypoidal mass in 3rd part of duodenum with expansion of lumen but no infiltration beyond the wall (or metastatic disease). Not obstructing the lumen.