IJU case reports · 2026
Curative-Intent Pancreatectomy for Pancreatic Metastasis From Renal Cell Carcinoma 30 Years After Nephrectomy Following Lenvatinib Plus Pembrolizumab Therapy: A Case Report.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Kaneko Yuta, Kotorii Reo, Shimizu Kaishi, Miura Kazuma, Nakanishi Yosuke, Nakamura Ken, Hattori Seiya, Yagi Yasuto, Nishiyama Toru, Momma Tetsuo
Аннотация
INTRODUCTION: Renal cell carcinoma (RCC) is the most common primary site of pancreatic metastases, and complete resection confers a favorable prognosis. Lenvatinib plus pembrolizumab (LEN + PEM) is standard first-line therapy for advanced RCC; however, induction therapy before resection of pancreatic metastasis has not been reported.
CASE PRESENTATION: A 77-year-old man presented with weight loss, anemia, and elevated inflammatory markers 30 years after radical nephrectomy for RCC. Contrast-enhanced computed tomography revealed a 42-mm pancreatic head mass compressing the inferior vena cava, considered resectable, but high risk. Endoscopic ultrasound-guided fine-needle aspiration confirmed metastatic clear cell RCC. After LEN + PEM induction, the tumor decreased to 29 mm, vena cava compression resolved, and subtotal stomach-preserving pancreaticoduodenectomy achieved R0 resection. The patient remained recurrence-free at 5 months.
CONCLUSION: LEN + PEM induction enabled R0 resection of pancreatic RCC metastasis, a site for which this strategy has not previously been reported.
CASE PRESENTATION: A 77-year-old man presented with weight loss, anemia, and elevated inflammatory markers 30 years after radical nephrectomy for RCC. Contrast-enhanced computed tomography revealed a 42-mm pancreatic head mass compressing the inferior vena cava, considered resectable, but high risk. Endoscopic ultrasound-guided fine-needle aspiration confirmed metastatic clear cell RCC. After LEN + PEM induction, the tumor decreased to 29 mm, vena cava compression resolved, and subtotal stomach-preserving pancreaticoduodenectomy achieved R0 resection. The patient remained recurrence-free at 5 months.
CONCLUSION: LEN + PEM induction enabled R0 resection of pancreatic RCC metastasis, a site for which this strategy has not previously been reported.