Journal
UROLOGIC ONCOLOGY-SEMINARS AND ORIGINAL INVESTIGATIONS
Volume 27, Issue 1, Pages 3-7Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.urolonc.2007.07.010
Keywords
Bladder cancer; Urothelial carcinoma; Small cell carcinoma; Sarcomatoid carcinoma; Micropapillary carcinoma; Carcinosarcoma
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Funding
- AUA Foundation
- NIH [T32, CA91846]
- NCI Cancer Center [CA16672]
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Patient risk stratification is essential for optimal management of patients with bladder cancer. Risk status determines the application and timing of therapeutic interventions such as repeat transurethral resection, intravesical chemo- and immunotherapy, systemic chemotherapy, and radical cystectomy. One key factor In such risk stratification appears to be the presence of variant histologic patterns in the bladder tumor. More than 91196 of tumors are conventional urothelial carcinoma, and the rest consist of urothelial carcinoma with aberrant differentiation (squamous.glandular differentiation, small cell carcinoma, sarcomatoid carcinoma, and micropapillary carcinoma) or nonurothelial carcinoma,(squamous cell carcinoma and adenocarcinoma), In this review, we focus on the implications of aberrant differentiation on the management of patients with bladder cancer. All of the variant histologies portend a worse prognosis than pure urothelial carcinoma. Although radical cystectomy remains the mainstay of treatment in all forms of bladder cancer, we highlight the use of neoadjuvant chemotherapy in patients with subtypes responsive to such therapy. (C) 2009 Elsevier Inc. All rights reserved.
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