Ureteral pseudodiverticulosis
Presentation
Microscopic hematuria. The patient recently had a CT urogram in which there was nonfilling of the right distal ureter, so a retrograde pyelogram was ordered.
Patient Data
Age: 65 years
Gender: Male
From the case:
Ureteral pseudodiverticulosis
Fluoroscopy
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AP
Images from a retrograde pyelogram: In the mid-ureter, there are tiny (1-2 mm) outpouchings of contrast, compatible with ureteral pseudodiverticulosis.
From the case:
Ureteral pseudodiverticulosis
Annotated image
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Zoomed in AP
Zoomed in image from a retrograde pyelogram
Arrows point to the multiple tiny pseudodiverticula in the midureter.
Case Discussion
Ureteral pseudodiverticulosis is an uncommon process that has been associated with the development of urothelial (transitional) cell carcinoma.
It can be seen on a CT urogram (CTU) but is much easier to detect on IVU or a retrograde pyelogram. In this case, the pseudodiverticula was not visible on the CTU.
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