集学的治療により長期生存が得られている膀胱癌小腸転移の1例

概要

The patient was a 70-year-old man who underwent transurethral resection of a bladder tumor. The pathological diagnosis was urothelial carcinoma (UC) with sarcomatoid variant, ≧pT2. After neoadjuvant chemotherapy using gemcitabine and cisplatin (GC), radical cystectomy was performed. The histopathological diagnosis was no tumor remnant (ypT0ypN0). Seven months later, the patient underwent an emergency partial ileectomy for ileal occlusion, after sudden complaints of vomiting and abdominal pain and fullness. Postoperatively, two cycles of adjuvant GC chemotherapy were administered. Approximately 10 months after ileal metastasis, a mesenteric tumor appeared. After seven cycles of methotrexate/epirubicin/nedaplatin and 32 cycles of pembrolizumab therapy, the mesentery was resected. The pathological diagnosis was UC with sarcomatoid variant. No recurrence was noted for 2 years after resection of the mesentery.

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