1. Quiz page answers july 2003 American Journal of Kidney Diseases
American Journal of Kidney Diseases 
Volume 42, Issue 1, Pages xlii-xliii (July 2003)
DOI: /S (03)
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2. Figure 18A
What does this abdominal computerized tomography scan without contrast demonstrate?
This image is at the level of the left renal pelvis and shows severe pelvocaliectasis of the left kidney. The left ureter (not shown) was dilated to the level of the ureterovesical junction. The right kidney is normal.
American Journal of Kidney Diseases  , xlii-xliiiDOI: ( /S (03) )
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3. Figure 18B
Computerized tomography image with contrast at the level of the ureterovesical junction.
Urinary calculi are present in the left ureterovesical junction, and these caused severe obstruction. A hyperintense rim outlines the stones that have lucent centers. These findings are indicative of air within the stone matrix.
American Journal of Kidney Diseases  , xlii-xliiiDOI: ( /S (03) )
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