Carcinosarcoma of the bladder following local schistosomiasis infection

A young patient from central Africa presented acute renal insufficiency due to extrinsic compression of the distal ureters by a pelvic mass. After initial medical management, a biopsy revealed poorly differentiated bladder cancer and Schistosoma haematobium eggs embedded in the bladder wall. The initial workup showed evidence of locoregional disease. Radical cystectomy with an incontinent urinary diversion was performed with no complications. Carcinosarcoma of the bladder was diagnosed by pathological analysis of the surgical specimen. After a short follow-up, the patient was readmitted presenting with lung and bone metastases. At 60 days after diagnosis, he died of respiratory insufficiency caused by pulmonary metastatic disease.

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