MR enterography of Crohn disease: part 1, rationale, technique, and pitfalls.

OBJECTIVE The purpose of this article is to review the technique of performing MR enterography examinations and to review the imaging findings suggestive of Crohn disease. This article will also allow the reader to self-assess and improve his or her skills in the performance and interpretation of MR enterography examinations. CONCLUSION MRI plays a valuable role in providing accurate information about the severity of and complications related to Crohn disease and can help in guiding surgical or medical treatment.