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Case Reports in Urology
Volume 2013, Article ID 915874, 4 pages
http://dx.doi.org/10.1155/2013/915874
Case Report

Long-Term Survival of a Patient with Invasive Signet-Ring Cell Carcinoma of the Urinary Bladder Managed by Combined S-1 and Cisplatin Adjuvant Chemotherapy

Department of Nephro-Urology, Nagoya City University Graduate School of Medical Sciences, 1 Kawasumi, Mizuho-chou, Mizuho-ku, Nagoya 467-8601, Japan

Received 25 March 2013; Accepted 13 April 2013

Academic Editors: A. Greenstein, S. K. Hong, A. Marte, and J. Park

Copyright © 2013 Takashi Hamakawa et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Primary signet-ring cell carcinoma of the urinary bladder is extremely rare and patient survival is very poor. The disease usually presents at advanced stages because the cancer progresses rapidly. The only option for effective treatment is radical cystectomy, and no effective chemotherapy has been established for this variant. We report a case of signet-ring cell carcinoma of the urinary bladder with a long-term survival of 90 months owing to radical cystectomy and combination adjuvant chemotherapy with S-1 and cisplatin. To our knowledge, this is the first report to demonstrate the long-term therapeutic activity of combination S-1 and cisplatin adjuvant chemotherapy against invasive signet-ring cell carcinoma of the urinary bladder.