1. Man With Sudden Onset of Bilateral Flank Pain
Fu-Yu Lin, MD, I-Ha Lao, MD, Yen-Jen Wang, MD, Wen-Sheng Tzeng, MD 
Annals of Emergency Medicine 
Volume 60, Issue 3, Pages e7-e8 (September 2012)
DOI: /j.annemergmed
Copyright © 2012 American College of Emergency Physicians Terms and Conditions

2. Figure 1
Abdominal ultrasonograph demonstrating mixed hyper- and hypoechoic lesions at the right perirenal space (indicated by caliper marking). The contralateral kidney (not shown) demonstrated a similar sonographic appearance.
Annals of Emergency Medicine  , e7-e8DOI: ( /j.annemergmed )
Copyright © 2012 American College of Emergency Physicians Terms and Conditions

3. Figure 2
Abdominal CT demonstrating multiple microaneurysms (white arrowheads) within the bilateral renal parenchyma, as well as bilateral perirenal hematomas (white arrows).
Annals of Emergency Medicine  , e7-e8DOI: ( /j.annemergmed )
Copyright © 2012 American College of Emergency Physicians Terms and Conditions

4. Figure 3
Digital subtraction angiography of the right renal arteries demonstrating multiple small aneurysms (white arrowheads). The contralateral kidney (not shown) demonstrated similar angiographic findings.
Annals of Emergency Medicine  , e7-e8DOI: ( /j.annemergmed )
Copyright © 2012 American College of Emergency Physicians Terms and Conditions