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Kwon, Park, Kim, Gang, and Park: Colorectal Cancer with Sigmoidovesical Fistula that was Misdiagnosed as Bladder Cancer
Case Report
Korean Journal of Urology

Korean Journal of Urology 2006; 47(6): 674-677.

Published online: 30 June 2006

DOI: https://doi.org/10.4111/kju.2006.47.6.674

Colorectal Cancer with Sigmoidovesical Fistula that was Misdiagnosed as Bladder Cancer

Soonoo Kwon, Chang Myun Park, Han Kwon Kim, Gil Hyun Gang1, Jong Yeon Park

Department of Urology, College of Medicine, The Ulsan University, Gangneung, Korea.

1Department of Pathology, College of Medicine, The Ulsan University, Gangneung, Korea.

Corresponding author (jypark@gnah.co.kr)

Received 1 February 2006       Accepted 1 April 2006

Copyright © 2006 The Korean Urological Association

Abstract

Sigmoidovesical fistula is a rare disease. Most of these patients have symptoms of chronic and recurrent urinary tract infection, pneumaturia and fecaluria. Furthermore, colorectal cancer with enterovesical fistula is very rare in the population. We have recently experienced a patient who had adenocarcinoma that originated from the colon along with sigmoidovesical fistula, and this was misdiagnosed as bladder cancer with urinary tract infection. We present here a case report of a 66-year-old woman who exhibited these diseases.

Keywords: Fistula, Colorectal cancer, Adenocarcinoma

Figures and Tables

Fig. 1
(A) Horizontal section of the computed tomography (CT) scan shows a 3.5cm sized sigmoid colon mass that has continuity to the bladder wall. (B) Horizontal section of the CT scan shows air in the bladder and a mass with hematomas.
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Fig. 2
(A) The gross finding shows a colon mass protruding into the bladder cavity. The arrow indicates the fistula tract. (B) The microscopic findings show adenocarcinoma in the bladder (H&E stain, ×100). (C) The microscopic findings shows premalignant changes in the colon's glands (H&E stain, ×200).
kju-47-674-g002

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