Multiple filling defects of the ureter (differential)
Multiple filling defects within a ureter, as seen on conventional IVU or CT IVU, have a relatively small differential including:
- spreading or multifocal transitional cell carcinoma (TCC)
- vascular indentations
- multiple ureteral stones (steinstrasse)
- blood clots
- ureteritis cystica
- Stevens-Johnson syndrome
- malacoplakia
- leukoplakia
When a solitary filling defect is present, the list will be slightly different. Please, refer to the article on solitary filling defect with a ureter for further details.
