Introduction: Renal pelvis bifidity, ectopic pelvic kidney, and ureteropelvic junction obstruction are rare urinary tract anomalies resulting from embryological developmental variations. Their coexistence in one kidney is exceedingly uncommon.

Case Presentation: An 18-year-old male with no prior medical history presented with right-sided lumbar pain. A CT scan revealed bilateral hydronephrosis, with the left kidney being malrotated and ectopically positioned in the pelvis. Dynamic renal scintigraphy confirmed bilateral ureteropelvic junction obstruction. Surgical management involved laparoscopic pyeloplasty for the right UPJ and open surgery for the left ectopic kidney with bifid pelvis.

Discussion: The combination of pelvic kidney, renal pelvis bifidity, and bilateral ureteropelvic junction obstruction is exceptionally rare. Diagnosis often occurs incidentally or when symptoms related to these anomalies emerge. Imaging and dynamic renal scintigraphy play crucial roles in diagnosis. Individualized surgical management is essential for positive outcomes.

Conclusion: This case highlights the need for individualized management in complex urological cases involving rare anatomical variations. Surgeon experience and a comprehensive understanding of such anomalies are crucial for successful outcomes.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10767187PMC
http://dx.doi.org/10.1016/j.ijscr.2023.109168DOI Listing

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