Objectives: We reviewed the clinical presentation and approach for the treatment of symptomatic seminal vesicle cyst associated with ipsilateral renal agenesis while presenting our experience with a series of 5 patients treated with minimally invasive surgery for Zinner syndrome. Materials and Methods: Between the years 2008 and 2016, we operated on 5 patients who presented with symptomatic seminal vesicle cyst and ipsilateral renal agenesis. Patients' charts and medical records were reviewed and compared with past published minimally invasive series. Results: Four patients were treated in a laparoscopic approach and one was treated with robotic-assisted seminal vesicle cyst excision. In all cases, the cystic complex was drained and excised with marsupialization of the remaining cyst walls to prevent cystic recurrence. The mean operating time was 3:47 h and mean hospitalization time was 7 days (4-14). The mean follow-up period was 3.2 years (range 1.7-4.8 years). All patients reported a resolution of symptoms during postoperative follow-up. Conclusions: Seminal vesicle cyst with ipsilateral renal agenesis should be suspected in young male patients presenting with pelvic cystic masses. Treatment is reserved for symptomatic patients and the preferred approach is minimally invasive surgery. This approach is feasible and effective while providing advantages both for the patient and the surgeon.

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The minimally invasive dismembered pyeloplasty is safe and effective in the infant population and produces high success rates. The results, complication rates, and operative time were comparable between the two surgical methods while the standard LP demonstrated longer hospital stay. Both the robotic approach and the LP can be successfully utilized for the benefit of infants with UPJ obstruction.