Robot-Assisted Partial Nephrectomy for Multiple Synchronous Renal Tumors in Unilateral Kidney Using Hinotori Surgical System: A Case Report

Q4 Medicine

IJU Case Reports Pub Date : 2025-07-15 DOI:10.1002/iju5.70070

Kento Ozawa, Hiromitsu Watanabe, Kyohei Watanabe, Yuto Matsushita, Keita Tamura, Daisuke Motoyama, Atsushi Otsuka, Teruo Inamoto, Hideaki Miyake

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Abstract

Introduction

Multiple synchronous renal tumors (MSRT) in unilateral kidney are clinically rare. Simultaneous resection for multiple tumors with RAPN is complicated and challenging. Herein, we report the successful resection of three synchronous renal tumors located in unilateral kidney with RAPN using the hinotori surgical robot system.

Case Presentation

A 75-year-old man was diagnosed with multiple left renal tumors (45 mm and 20 mm in diameter) that presented very close to each other. We performed RAPN using hinotori and excised the tumors simultaneously. Postoperative renal function was maintained. No complications were identified. The three histological types were distinct: ccRCC, pRCC, and small renal angiomyolipoma.

Conclusion

To the best of our knowledge, this is the first report of MSRT in unilateral kidney successfully treated with RAPN using hinotori.

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应用Hinotori手术系统进行单侧肾脏多发同步性肾肿瘤的机器人辅助部分切除1例

单侧肾脏多发同步性肾肿瘤（MSRT）在临床上十分罕见。多发肿瘤合并RAPN的同时切除是一项复杂且具有挑战性的手术。在此，我们报告使用hinotori手术机器人系统成功切除了三个位于单侧肾脏的同步肾肿瘤。病例介绍一名75岁男性被诊断为左肾多发性肿瘤（直径45 mm和20 mm），彼此非常接近。我们使用hinotori进行RAPN，同时切除肿瘤。术后维持肾功能。未发现并发症。三种组织学类型不同：ccRCC、pRCC和小肾血管平滑肌脂肪瘤。结论：据我们所知，这是第一个用栗鸟成功治疗单侧肾脏MSRT的报道。

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