Woman With Abdominal Pain Andrew Sawyer, MD, Jamie Cannon, MD, Henry E. Wang, MD, MS  Annals of Emergency Medicine  Volume 68, Issue 1, Pages e7-e8 (July 2016) DOI: 10.1016/j.annemergmed.2015.12.025 Copyright © 2016 American College of Emergency Physicians Terms and Conditions

Figure 1 CT imaging of abdomen and pelvis. White arrows indicate thickened ascending colon wall. Annals of Emergency Medicine 2016 68, e7-e8DOI: (10.1016/j.annemergmed.2015.12.025) Copyright © 2016 American College of Emergency Physicians Terms and Conditions

Figure 2 Operative findings. White arrow indicates transverse mesocolon defect. Annals of Emergency Medicine 2016 68, e7-e8DOI: (10.1016/j.annemergmed.2015.12.025) Copyright © 2016 American College of Emergency Physicians Terms and Conditions

Figure 3 Operative findings. White arrows indicate ischemic terminal ileum. Annals of Emergency Medicine 2016 68, e7-e8DOI: (10.1016/j.annemergmed.2015.12.025) Copyright © 2016 American College of Emergency Physicians Terms and Conditions

Figure 4 Potential locations of internal hernia after Roux-en-Y gastric bypass. A, Transverse mesocolon defect. B, Petersen hernia (space between mesentery of Roux limb and transverse mesocolon). C, Jejunojejunostomy mesenteric defect. (Used with permission from Schweitzer et al.3) Annals of Emergency Medicine 2016 68, e7-e8DOI: (10.1016/j.annemergmed.2015.12.025) Copyright © 2016 American College of Emergency Physicians Terms and Conditions