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Citation:
Mishra H, Knipe H, Coiled catheter sign (ureter). Reference article, Radiopaedia.org (Accessed on 29 Mar 2024) https://doi.org/10.53347/rID-90972
The coiled catheter sign is sometimes seen in transitional cell carcinoma of the ureter. When a retrograde ureteropyelogram is attempted in the afflicted ureter, the catheter tip is seen to coil in the dilated portion of the ureter distal to the obstruction 1.
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1. Raymond B. Dyer, Michael Y. Chen, Ronald J. Zagoria. Classic Signs in Uroradiology1. (2004) RadioGraphics. doi:10.1148/rg.24si045509
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