Departmental Bulletin Paper 脾転移を来たした腎細胞癌の1例
A Case Report of Splenic Metastasis of Renal Cell Carcinoma

山口, 峻介  ,  羽場, 知己  ,  川口, 誠  ,  小池, 宏

63 ( 9 )  , pp.371 - 375 , 2017-09-30 , 泌尿器科紀要刊行会
A 64-year-old female patient underwent radical left nephrectomy in 2005 after being diagnosed with renal cell carcinoma. The pathological diagnosis was pT2b pN0 M0 clear cell carcinoma. Three years postoperatively, metastatic recurrence in the para-aortic lymph node was noted, and the patient underwent retroperitoneal lymph node dissection in 2008. The pathological diagnosis was renal cell carcinoma (a combination of clear cell carcinoma and type 2 papillary cell carcinoma). Five years later, she exhibited splenic metastasis on computed tomography, but no other distant metastases were observed. She underwent splenectomy in 2013, and the pathological diagnosis was splenic metastasis of renal cell carcinoma (type 2 papillary cell carcinoma). Three months after the splenectomy, she developed multiple bone metastases but refused to undergo treatment with molecularly targeted drugs ; hence, she was transferred to palliative care services. Fourteen months after the splenectomy, she died of cancer. Most metastatic splenic tumors occur as part of multiple organ metastases in the terminal stage of renal cell carcinoma. If splenic metastasis of renal cell carcinoma is observed, further imaging studies should be performed, and splenectomy should only be considered if a definitive diagnosis of sporadic splenic metastasis is made.

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