An autopsy case of primary osteogenic sarcoma of the urinary bladder

Sarcomatoid Urothelial Carcinoma of the Urinary Bladder With Chondrosarcomatous and Concurrent Divergent Squamous Cell Carcinoma Differentiation- A Rare Entity

We present an extremely rare case where the sarcomatoid urothelial carcinoma of the urinary bladder was present with chondrosarcomatous and squamous cell differentiation. A 74-year-old male smoker presented with intermittent hematuria with the passage of clots. On imaging, an irregular polypoidal lesion was diagnosed near the right vesicoureteric junction, and transurethral resection of the bladder tumor was performed. Histopathological examination showed sarcomatoid urothelial carcinoma with chondrosarcoma and squamous cell differentiation. He refused the surgical treatment of radical cystectomy and underwent Gemcitabine and Cisplatin chemotherapy. He died nine months after the diagnosis. Sarcomatoid urothelial carcinoma is a high-grade biphasic neoplasm with malignant epithelial and mesenchymal components. Its association with squamous cell carcinoma is infrequent. It is very aggressive, and there is no standard treatment for this disease. The radical surgical option appears to be the main form of treatment. It is scarce with a grave prognosis.

Carcinosarcoma of the bladder: a case report and review of the literature

Carcinosarcoma of the urinary bladder is a rare neoplasm that is composed of malignant epithelial and mesenchymal components. In these tumors, histogenesis and biological behaviour remain controversial. Approximately 70 cases have been reported in the literature, usually as case reports or a small series. A series of 221 cases using the Surveillance, Epidemiology and End Results (SEER) Program database has been reported recently. Optimal treatment is uncertain. Herein, we report a case of sarcomatoid carcinoma of urinary bladder of a farmer aged 84 years old with a year history of hematuria and dysuria. A transurethral resection of the tumor (TUR-T) revealed a carcinosarcoma. The patient underwent radical cystectomy, and there is no tumor recurrence for 15 months after treatments.

Carcinosarcoma of the bladder: case report and review of the literature

Primary osteosarcomas of the bladder account for about 0.04% of bladder neoplasms. Most of the patients in the literature expired within 6 months and, in almost all of the cases in the literature, radical cystectomy with postoperative chemotherapy was the treatment choice. A 79-year-old gentleman presented with gross hematuria. Cystoscopy demonstrated a 2- to 3-cm tumour along the lateral wall of the bladder. The tumour was resected incompletely via initial transurethral resection of bladder tumour (TURBT), and a second TURBT was subsequently performed to fully resect the residual mass. Surgical pathology from these 2 resections revealed osteosarcoma with invasion into the muscularis propria. A cystoprostatectomy was performed and final pathologic specimen revealed high-grade CIS without evidence of residual osteosarcoma. Postoperatively, the patient did not receive chemotherapy or radiation and currently remains disease-free 2 years post-radical cystectomy. Only 33 well-documented cases of primary osteosarcoma of the bladder have been reported to date. However, there are only 3 cases in which TURBT resulted in complete resection.

Osteosarcoma of bladder 27 years after local radiotherapy

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