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Acta Cytol. 2000 Sep-Oct;44(5):748-51.

Comparison of urine cytology between the ileal conduit and Indiana pouch.

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  • 1Division of Surgical Pathology, Nippon Medical School Hospital, Tokyo, Japan.

Abstract

OBJECTIVE:

To compare the cytomorphologic features of urine obtained from two different kinds of urinary diversions constructed after total bladder resection.

STUDY DESIGN:

The smears of urine from 11 ileal conduits and 6 Indiana pouches were evaluated. All patients underwent total bladder resection due to transitional cell carcinoma (TCC) or other kinds of cancer before urine diversion.

RESULTS:

The cytologic features of Indiana pouch urine include degenerated, small, round cells without columnar cells derived from intestinal epithelium. In ileal conduit urine, well-preserved columnar cells and degenerated, small, round cells were frequently observed. The columnar cells in ileal conduit urine exhibited cytologic features that should be distinguished from TCC cells.

CONCLUSION:

The method of reconstructing the urinary tract is important in urine cytology from urine diversions because the cytomorphologic features of urine are different between the two kinds of urinary diversions. Since columnar cells in ileal conduit urine might lead to misdiagnosis as TCC, special consideration is required to examine ileal conduit urine.

PMID:
11015974
[PubMed - indexed for MEDLINE]
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