Postchemotherapy robotic retroperitoneal lymph node dissection for non-seminomatous germ cell tumors in the lateral decubitus position: oncological and functional outcomes

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2023

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Kiremit, Murat Can
Kordan, Yakup
Köseoğlu, Ersin
Esen, Barış
Özkan, Arif
Esen, Tarık

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Springer Nature

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Journal Article
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Abstract

Purpose: Retroperitoneal lymph node dissection (RPLND) is recommended for residual masses following chemotherapy for non-seminomatous germ cell tumors (NSGCT). Recently, aberrant recurrence patterns were reported in patients who underwent robotic RPLND. We aimed to evaluate perioperative safety in addition to functional and early oncological outcomes of postchemotherapy robotic RPLND (pcR-RPLND) for NSGCT. Methods: A total of 25 patients with NSGCT who underwent a pcR-RPLND between January 2011 and June 2022 were evaluated retrospectively. Descriptive statistics were provided for demographics, clinical characteristics, intraoperative and postoperative parameters. Functional and oncological outcomes were recorded. Results: The median patient age was 28.9 years (IQR 21.5–32.4). The median retroperitoneal tumor size was 2.6 cm (IQR 1.5–3.5). Intraoperative complications occurred in only one case and the open conversion rate was 12%. There were seven cases with postoperative complications (Clavien grade II: 5 and IIIa: 2). Patients were followed for a median of 33.2 months (IQR 14.8–43.0). Antegrade ejaculation was preserved in 85.7% of the patients. Two patients (8%) relapsed and both had out-of-field recurrences at unusual sites (perinephric fat and omentum). Of those, one patient died (4%) of testicular cancer. Conclusion: pcR-RPLND is a feasible and technically reproducible procedure with favorable perioperative morbidity, low rate of complications, and acceptable postoperative ejaculatory function. Although the recurrence rate was low (8%), recurrences were observed at unusual sites. Further studies are required to investigate any association between the robotic approach and aberrant recurrence patterns.

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Medicine

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