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Laparoscopic technique shows effective management of renal cell carcinoma in horseshoe kidneys, suggesting safety.
Introduction Laparoscopic heminephrectomy for renal cell carcinoma in horseshoe kidneys has been previously reported, but reports on the retroperitoneal approach remain limited. This paper presents a case demonstrating the feasibility and effectiveness of this surgical technique. Case Presentation A 74‐year‐old woman was diagnosed with two renal cell carcinomas in the right side of a horseshoe kidney in contrast‐enhanced computed tomography. A laparoscopic right heminephrectomy was performed using a retroperitoneal approach. This approach allowed for effective management of the complex vasculature supplying the isthmus. Additionally, the inferior mesenteric artery served as a reliable anatomical landmark, facilitating the identification of the optimal site for isthmus transection. Conclusion Retroperitoneoscopic heminephrectomy is a safe and effective surgical option for renal cell carcinoma in patients with horseshoe kidneys and represents an anatomically rational approach.
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Andoh et al. (2025) studied this question.
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