Background: Small cell carcinoma of the bladder is an uncommon but clinically aggressive disease. There is no standard surgical or medical management for the disease.
Methods: Between 1995 and 2009, 28 patients underwent transurethral resection (TUR) and/or cystectomy, chemotherapy, and/or radiation for small cell carcinoma of the bladder at our institution.
Results: The median follow-up for survivors was 34 months. Patients presented most often with muscle-invasive disease (T2-4 - 89%), and 21% had lymph node/distant metastases. Tobacco use and chemical exposure were noted in 64 and 4% of patients, respectively. Patients with T1-2N0M0 had a median survival of 22 months compared to 8 months for those with more advanced disease (p = 0.03). Patients with T3-4 or nodal/metastatic disease who were given chemotherapy had an improved survival compared to those with T3-4 or nodal/metastatic disease who did not undergo chemotherapy (13 vs. 4 months, p = 0.005). The median time to recurrence of the entire cohort was 8 months, overall and cancer-specific survival was 14 months, and 5-year survival was 11%.
Conclusions: Small cell carcinoma of the bladder is an aggressive disease with poor outcomes. Patients with T1-2N0M0 disease survived longer than those with advanced disease. Patients with T3-4 or nodal/metastatic disease had improved survival with chemotherapy.
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