February 2008

Submitted by Thomas Nguyen, MD and Mamata Chithriki, MD

History:

CC: Right flank pain
HPI: 40 yo female with 1 day history of right flank pain and vomiting. Patient has noted an abdominal mass to the right of her belly button. No fever/chills, dysuria or frequency. Remote prior renal US in France demonstrated renal cysts.
PMH: none
PSH: none

Non-contrast axial CT

Coronal non-contrast CT

Scout

What is your differential diagnosis?

A. Pyelonephritis
B. Renal stone
C. Appendicitis
D. Gallstones
E. Hemorrhagic renal cyst
F. Abscess

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