Metastasis from Renal Cell Carcinoma to Ectopic Pancreas Diagnosed after Resection

Ryo Yano; Tomoyuki Yokota; Makoto Morita; Michiko Amano; Hironori Ochi; Nobuaki Azemoto; Toshie Mashiba; Koji Joko

doi:10.2169/internalmedicine.9731-22

CASE REPORTS

Metastasis from Renal Cell Carcinoma to Ectopic Pancreas Diagnosed after Resection

Ryo Yano, Tomoyuki Yokota, Makoto Morita, Michiko Amano, Hironori Ochi, Nobuaki Azemoto, Toshie Mashiba, Koji Joko

Author information

Ryo Yano
Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Japan
Tomoyuki Yokota
Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Japan
Makoto Morita
Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Japan
Michiko Amano
Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Japan
Hironori Ochi
Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Japan
Nobuaki Azemoto
Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Japan
Toshie Mashiba
Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Japan
Koji Joko
Center for Liver-Biliary-Pancreatic Diseases, Matsuyama Red Cross Hospital, Japan

Keywords: renal cell carcinoma, metastases, ectopic pancreas, pancreatic tumor

JOURNAL OPEN ACCESS

2023 Volume 62 Issue 7 Pages 1011-1015

DOI https://doi.org/10.2169/internalmedicine.9731-22

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Abstract

We herein report a 68-year-old man who underwent nephrectomy for right renal cell carcinoma 10 years prior. He remained under regular medical observation, and abdominal computed tomography showed tumors in the head and tail of the pancreas. He was diagnosed with pancreatic metastasis from renal cell carcinoma. He underwent surgical excision. The pathologic diagnosis proved that the pancreatic tumors were metastases from renal cell carcinoma and clarified that an ectopic pancreas in the duodenum had metastases as well. To our knowledge, this is the first case of metastasis to an ectopic pancreas.

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