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Difference between revisions of "Urothelium"
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resting lymphocyte). Atypical for a high-grade lesion is that mitotic activity is scarce | resting lymphocyte). Atypical for a high-grade lesion is that mitotic activity is scarce | ||
and prominent nucleoli are not present. | and prominent nucleoli are not present. | ||
</pre> | |||
=====Micro===== | |||
<pre> | |||
The sections show a small fragment of urothelial mucosa with two papillary structures and | |||
enlarged nuclei (~3-4x resting lymphocyte). Mitotic activity is seen focally. Umbrella | |||
cells are seen only focally. | |||
A mild lymphocyte-predominant inflammatory infiltrate is present. The lamina propria | |||
contains a nest with smaller cells, cystic spaces and no appreciable mitoses | |||
(cystitis cystica). | |||
</pre> | </pre> | ||