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Adenocarcinoma in an isolated rectosigmoid bladder: case report
A A Shaaban1, K Z Sheir, M A el-Baz
1Department of Urology, Urology and Nephrology Center, Mansoura, Egypt.
The Journal of Urology
|February 1, 1992
Summary
A rare rectal adenocarcinoma developed 11 years post-surgery for bladder cancer. This suggests isolated rectosigmoid bladders, even when not exposed to fecal matter, may pose an adenocarcinoma risk.
Area of Science:
- Urology
- Surgical Oncology
- Gastroenterology
Background:
- Radical surgery for bladder cancer can involve urinary diversion techniques.
- Isolated rectosigmoid bladders are a type of urinary diversion where a segment of the sigmoid colon and rectum is used to create a bladder substitute.
- The long-term oncological outcomes of such diversions require ongoing surveillance.
Observation:
- A patient developed primary rectal adenocarcinoma 11 years after undergoing a radical operation for bladder cancer.
- The patient had a history of a constructed isolated rectosigmoid bladder.
- This type of urinary diversion is not typically exposed to the fecal stream.
Findings:
- The development of adenocarcinoma in the isolated rectosigmoid bladder segment is reported.
- This finding suggests a potential association between isolated rectosigmoid bladders and adenocarcinoma.
- The risk may be analogous to that observed in ureterosigmoidostomy, where urinary diversion is directly exposed to fecal matter.
Implications:
- This case highlights the importance of long-term oncological surveillance in patients with urinary diversion, even those not directly exposed to fecal matter.
- Further research is warranted to elucidate the mechanisms underlying adenocarcinoma development in isolated rectosigmoid bladders.
- Consideration of alternative urinary diversion techniques or enhanced monitoring protocols may be necessary.