Question 1
These patient had a previous Dukes C rectal cancer. He presented with a 2 month history a weight loss, anaemia, malaise, recurrent UTI's, and left loin pain. An ultrasound revealed a left sided hydronephrosis. The subsequent retrograde pyelogram is shown below.
a What can you see on this left retrograde pyelogram? b What structure is filled with contrast and why?

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ArticleDate:20060926
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