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Abstract Background A blind ending ureteric remnant in a duplicated urinary system is extremely rare, and most of these anomalies go unrecognized as they are asymptomatic. We describe a unique case of a blind ending ureteric remnant presenting with neurological claudication in the lower limb secondary to sacral nerve root radiculopathy which was managed by robotic excision. Case presentation A 61-year-old male presented with radiating pain in the left gluteal region for the past 2 years, which persisted despite multiple conservative treatments. Extensive evaluation for the pain revealed a blind ending ureteric remnant in a partially duplicated system, which contained multiple calculi and caused the compression of the adjacent sacral nerve roots. The patient was subsequently taken up for excision of the remnant, which was performed robotically, after which the symptoms resolved completely. Conclusion Blind ending ureteric duplications are rare anomalies that mostly go unrecognized as they are asymptomatic. Rarely, these anomalies may produce clinically relevant symptoms and result in diagnostic dilemmas, meriting intervention.