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*Should '''not''' have a papillary architecture -- if it does it is likely [[cancer]]! | *Should '''not''' have a papillary architecture -- if it does it is likely [[cancer]]! | ||
**If it is 'papillary' -- it must have fibrovascular cores. | **If it is 'papillary' -- it must have fibrovascular cores. | ||
===IHC=== | |||
*Rare superficial [[CK20]] staining. | |||
====Image==== | |||
<gallery> | |||
Image: Benign urothelium - CK20 -- high mag.jpg | Benign urothelium - CK20 - high mag. (WC) | |||
</gallery> | |||
===Sign out=== | ===Sign out=== |
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