ロボット支援後腹膜リンパ節郭清による転移性セルトリ細胞腫の新規症例：症例報告

Sertoli cell tumours of the testes (SCTT) are a rare subgroup of sex cord stromal tumours. This report describes a novel use of robotic retroperitoneal lymph node dissection (RPLND) in a rare case of metastatic disease that posed significant diagnostic challenges. A 60-year-old male presented with a left testicular mass; post-orchidectomy histological review confirmed high-risk Sertoli cell tumour. A subsequent PET-CT identified metastatic para-aortic lymph nodes; an incidental finding of a non-functioning paraganglioma was also noted. The patient underwent a successful robotic RPLND, performed using the DaVinci Xi robotic platform. Postoperative recovery was uneventful, and the patient was discharged on postoperative day two. Histology confirmed metastasis in two out of 10 lymph nodes. This report highlights the potential of robotic RPLND as a viable treatment course, with its success emphasising the critical role of multidisciplinary team collaboration. While we describe a novel approach, further studies and long-term oncological outcomes in larger patient cohorts are necessary to establish definitive treatment guidelines.