Encrusted ureteric stent
Staghorn calculus in the left kidney. Left ureteric stent insertion some months ago. Now with left loin pain. Stent blocked?
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Ureteric stent is encrusted with stone like material (arrows) especially in the bladder but also in the upper ureter. It is no longer functional (i.e. side holes are blocked obstructing outflow, thus the collecting system is dilated).
- Bultitude MF, Tiptaft RC, Glass JM, Dasgupta P. Management of encrusted ureteral stents impacted in upper tract. Urology. 2003 Oct;62(4):622-6. Vanderbrink BA, Rastinehad AR, Ost MC, Smith AD. Encrusted urinary stents: evaluation and endourologic management. J Endourol. 2008 May;22(5):905-12