Young Adult With Upper Abdominal Pain Daniel Tonellato, MD, Andrew Goldsmith, MD, MBA, Adaira Landry, MD  Annals of Emergency Medicine  Volume 72, Issue 1, Pages e3-e4 (July 2018) DOI: 10.1016/j.annemergmed.2018.01.038 Copyright © 2018 American College of Emergency Physicians Terms and Conditions

Figure 1 Free fluid wrapping around the right renal inferior pole (arrow), suggestive of retroperitoneal fluid. Hydronephrosis was also observed (asterisk). Annals of Emergency Medicine 2018 72, e3-e4DOI: (10.1016/j.annemergmed.2018.01.038) Copyright © 2018 American College of Emergency Physicians Terms and Conditions

Figure 2 Right upper quadrant view revealing free fluid in Morrison’s space (arrowhead), a ruptured renal pelvis (arrow), and hydronephrosis (asterisk). Annals of Emergency Medicine 2018 72, e3-e4DOI: (10.1016/j.annemergmed.2018.01.038) Copyright © 2018 American College of Emergency Physicians Terms and Conditions

Figure 3 Abdominal and pelvic CT demonstrating severe hydronephrosis (asterisk) with a large volume of extravasated urine (arrow). Annals of Emergency Medicine 2018 72, e3-e4DOI: (10.1016/j.annemergmed.2018.01.038) Copyright © 2018 American College of Emergency Physicians Terms and Conditions