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==Microscopic== | ==Microscopic== | ||
Features: | Features: | ||
*Nuclear pleomorphism. | *Nuclear pleomorphism - may be mild. | ||
*Glandular differentiation. | *Glandular differentiation (common). | ||
*No urothelial differentiation - ''' | *No urothelial differentiation - '''essential'''.<ref name=pmid23451748>{{Cite journal | last1 = Zhong | first1 = M. | last2 = Gersbach | first2 = E. | last3 = Rohan | first3 = SM. | last4 = Yang | first4 = XJ. | title = Primary adenocarcinoma of the urinary bladder: differential diagnosis and clinical relevance. | journal = Arch Pathol Lab Med | volume = 137 | issue = 3 | pages = 371-81 | month = Mar | year = 2013 | doi = 10.5858/arpa.2012-0076-RA | PMID = 23451748 }}</ref> | ||
DDx: | DDx: |
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