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IntroductionRobot-Assisted Single Site Radical Nephrectomy (RASS-RN) has been reported by surgeons in Europe and United States (1–3). To our best knowledge this video presents the first RASS-RN with concomitant cholecystectomy performed in Latin America.CaseA 66 year-old renal transplant male due to chronic renal failure presented with an incidental 1.3cm nodule in the upper pole of the right kidney. In addition, symptomatic gallbladder stones were detected.ResultsPatient was placed in modified flank position. Multichannel single port device was placed using Hassan's technique through a 3 cm supra-umbilical incision. Standard radical nephrectomy and cholecystectomy were made using an 8.5mm camera, two 5mm robotic arms and an assistant 5mm access. Surgery time and estimated blood loss were 208 minutes and 100mL, respectively. Patient did well and was discharged within less than 48 hours, without complications. Pathology report showed benign renomedullary tumor of interstitial cells and chronic cholecystitis.DiscussionRobotic technology improves ergonomics, gives better precision and enhances ability to approach complex surgeries. Robot-assisted Single Port aims to reduce the morbidity of multiple trocar placements while maintaining the advantages of robotic surgery (2). Limitations include the use of semi-rigid instruments providing less degree of motion and limited space leading to crash between instruments. On the other hand, it is possible to perform complex and concomitant surgeries with just one incision.ConclusionRASS-RN seems to be safe and feasible option for selected cases. Studies should be performed to better understand the results using single port technique in Urology.

around the posterolateral surface of the prostate. The remaining steps, including single running-suture vesicourethral anastomosis, have been described in detail.RESULTS: Patient profile, operative parameters, oncologic and functional outcomes are shown in table 1. In patients with H-HARNVB mean SHIM scores were higher than in the standard dissection group by 2.1 at 3 months (p < 0.05). Urinary continence rate significantly improved in the H-HARNVB group (72%, p < 0.05) as compared to the standard group (44%) at 1 month and 3 months (88% vs.64%, p < 0.05) postoperatively.CONCLUSIONS: Satisfactory functional outcomes were achieved by high anterior release of neurovascular bundle with hydrodissection during robotic assisted radical prostatectomy. Longer followup is needed to evaluate direct impact of hydrodissection on outcomes in patients after RALP.

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