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Tumor-to-tumor metastasis: an extremely rare combination with renal cell carcinoma as the donor and a pancreatic neuroendocrine tumor as the recipient.

Shunryo MinezakiTakeyuki MisawaHiroyuki TsukayamaMakoto ShibuyaKeita WadaKeiji SanoMakoto MochizukiYuko SasajimaHiroshi Kondo
Published in: Surgical case reports (2022)
In some cases, conservative approach is selected for pancreatic neuroendocrine tumor patients who meet some requirements. However, if such patients exhibit tumor-to-tumor metastasis which combines with renal cell carcinoma and pancreatic neuroendocrine tumor as this case, conservative approach leads to progression of renal cell carcinoma. Therefore, conceiving the possibility of tumor-to-tumor metastasis, it is necessary to carefully choose a treatment plan for pancreatic neuroendocrine tumor patients associated with renal cell carcinoma, not easily choosing conservative approach.
Keyphrases
  • renal cell carcinoma
  • end stage renal disease
  • chronic kidney disease
  • ejection fraction