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The double J stent is widely used in urological endoscopic surgery with different indications (ureteral stenosis, ureteropelvic junction obstruction, retroperitoneal tumor or fibrosis) and can be a subject to multiple complications including migration, encrustation, stone formation and fragmentation which is a rare complication. We are reporting a rare case of a 42-years-old, followed for cervical cancer since 2018 revealed by an acute obstructive renal failure drained by a left double J ureteral stent (of long duration) and right percutaneous nephrostomy. The patient maintained the double J stent for 2 years. On clinical examination there was a lumbar tenderness on the left side and a hardened vaginal cervix on bimanual vaginal examination. The patient underwent a renovesical ultrasound showing a minimal left ureterohydronephrosis. The uroscanner with reconstruction revealed a fragmented double J stent on the left side.