Low Back Pain After Sudden Onset of Abdominal Pain in a Patient with Crohn's Disease Kiyoshi Shikino, MD, PhD, Shingo Suzuki, MD, PhD, Yuta Hirose, MD, Yoshiyuki Ohira, MD, PhD, Masatomi Ikusaka, MD, PhD The American Journal of Medicine Volume 129, Issue 4, Pages e9-e10 (April 2016) DOI: 10.1016/j.amjmed.2015.11.019 Copyright © 2016 Elsevier Inc. Terms and Conditions
Figure Computed tomography scan of abdomen. A, Retroperitoneal abscess involving the iliopsoas (arrows) containing free air (arrowhead) was observed in the axial plane. B, Retroperitoneal abscess involving the iliopsoas (arrows) was observed in the sagittal plane. The American Journal of Medicine 2016 129, e9-e10DOI: (10.1016/j.amjmed.2015.11.019) Copyright © 2016 Elsevier Inc. Terms and Conditions