Which histologic findings are characteristic of enterovesical fistula?

Updated: Dec 24, 2020
  • Author: Joseph Basler, MD, PhD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Answer

Histologic findings associated with a biopsy of fistulous sites are usually consistent with chronic inflammation. Even in the case of carcinoma, inflammation is the usual finding on the bladder side. In more advanced cases, mucin-producing adenocarcinoma may be identified. The differential diagnoses must include primary adenocarcinoma of the bladder or poorly differentiated urothelial carcinoma. The clinical scenario and laparotomy findings are usually helpful in determining the diagnosis.


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