Kumar, PrashantJoseph, SachinMisra, Pabitra KumarNair, Kiran S.2020-11-182020-11-182020-10Kumar Prashant, Joseph Sachin, Misra Pabitra Kumar, Nair Kiran S.. Forgotten double J stent in crossed renal fused ectopia: a rare case report. International Surgery Journal. 2020 Oct; 7(10): 3497-34992349-33052349-2902http://imsear.searo.who.int/handle/123456789/213286Ureteral double J (DJ) sent has now become one of the most commonly used tools in endourology. Complications are bound to occur if forgotten to remove, such as encrustations, infection, migration, renal dysfunction, hydronephrosis. Crossed renal fused ectopia is a very rare congenital malformation due to abnormal kidney ascent with fusion during embryogenesis in the first trimester. we report a very rare case of forgotten DJ stent in crossed fused ectopia, in 66 years old diabetic patient post left ureterorenoscopy (URS) done 3 years back. Retrograde intrarenal surgery (RIRS) was done for DJ stent removal right.Forgotten stentCrossed renal fused ectopiaRetrograde intrarenal surgeryJournal ArticleIndiaDepartment of Urology, Medical Trust Hospital, Kochi, Kerala, India