ArticleInternational braz j urol : official journal of the Brazilian Society of Urology
Robotic-Assisted Retroperitoneal Lymph Node Dissection in a Challenging Post-Chemotherapy Case.
Article in International braz j urol : official journal of the Brazilian Society of Urology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionRobotic retroperitoneal lymph node dissection (RPLND) has emerged as a minimally invasive alternative for the management of testicular germ cell tumors, offering reduced morbidity and faster recovery when performed in experienced centers (1-3). However, post-chemotherapy cases remain technically demanding. We present a case of robotic RPLND performed for a bulky residual mass following systemic treatment.
methodsA 23-year-old male with no comorbidities underwent right orchiectomy for clinical stage IIC non-seminomatous germ cell tumor (60% yolk sac, 20% embryonal carcinoma, 20% post-pubertal teratoma), followed by three cycles of BEP chemotherapy. Tumor markers normalized, but imaging revealed a persistent 5.4-cm interaortocaval mass. Robotic RPLND was carried out using four robotic ports and one 12-mm assistant port. The procedure included a complete bilateral template dissection (paraaortic, interaortocaval, and paracaval), en bloc tumor removal, and meticulous sharp and blunt dissection using advanced bipolar energy.
resultsOperative time was 300 minutes, with minimal blood loss (50 mL) and no intraoperative complications. The bulky lesion was successfully resected with excellent anatomical exposure, despite significant tumor adherence to the aorta. The patient was discharged on postoperative day one and resumed normal activities within two weeks. Pathology revealed teratoma in 1 of 34 resected lymph nodes. At 6-month follow-up, he remained disease-free, with normal tumor markers, preserved renal function, and no complications.
conclusionThis case demonstrates the feasibility of robotic RPLND for large post-chemotherapy residual masses. The robotic platform enables precise dissection even in challenging settings, with favorable perioperative and oncologic outcomes. Centralized expertise and standardized technique are essential to achieve optimal results (1, 4-6).
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