1. K.-L. Liu, K.-H. Huang, W.-C. Lin
A cyst in a stone? 
K.-L. Liu, K.-H. Huang, W.-C. Lin 
Kidney International 
Volume 71, Issue 10, (May 2007)
DOI: /sj.ki
Copyright © 2007 International Society of Nephrology Terms and Conditions

2. Figure 1
Radiopacity at the lateral aspect of the left renal shadow (asterisk) containing a round, negative filling defect (arrow).
Kidney International  , DOI: ( /sj.ki )
Copyright © 2007 International Society of Nephrology Terms and Conditions

3. Figure 2
Non-enhanced abdominal computed tomography scan revealing a polypoid nodule (arrow) (the filling defect seen on the radiograph) embedded in the milk of calcium (asterisk) within a sealed calyceal diverticulum.
Kidney International  , DOI: ( /sj.ki )
Copyright © 2007 International Society of Nephrology Terms and Conditions

4. Figure 3
Intraoperative photograph reveals a small cyst (arrow) at the wall of the calyceal diverticulum.
Kidney International  , DOI: ( /sj.ki )
Copyright © 2007 International Society of Nephrology Terms and Conditions