Bladder carcinosarcoma treated by cystectomy and adjuvant chemotherapy with good outcomes: a case report

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BACKGROUND: Primary carcinosarcoma of the bladder is a rare and highly aggressive tumor, representing less than 1% of all bladder neoplasms. There is no specific treatment guideline has for carcinosarcoma of the bladder, and majority of published patients was treated exclusively by surgery. CASE PRESENTATION: We report a case of 65-year-old Moroccan man, presented with macroscopic hematuria, pollakiuria and painful urination. Histological analysis showed a biphasic epithelial and mesenchymal proliferation, with invasion of lamina propria and muscularis, compatible with diagnosis of bladder carcinosarcoma. The patient was treated with cystectomy and adjuvant chemotherapy based on gemcitabin-cisplatin, 18 months after treatment, patient still free of recurrence. CONCLUSION: Carcinosarcoma of the urinary bladder is a rare and aggressive tumor regardless treatment. A multidisciplinary management based on radical cystectomy and combined adjuvant treatments can improve prognosis. In this work, we suggest to propose adjuvant chemotherapy whenever possible.

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