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==Microscopic== | ==Microscopic== | ||
Features:<ref name=pmid12118115>{{Cite journal | last1 = Gokaslan | first1 = ST. | last2 = Krueger | first2 = JE. | last3 = Albores-Saavedra | first3 = J. | title = Symptomatic nephrogenic metaplasia of ureter: a morphologic and immunohistochemical study of four cases. | journal = Mod Pathol | volume = 15 | issue = 7 | pages = 765-70 | month = Jul | year = 2002 | doi = 10.1097/01.MP.0000019578.51568.24 | PMID = 12118115 | url = http://www.nature.com/modpathol/journal/v15/n7/full/3880603a.html }}</ref> | Features:<ref name=pmid12118115>{{Cite journal | last1 = Gokaslan | first1 = ST. | last2 = Krueger | first2 = JE. | last3 = Albores-Saavedra | first3 = J. | title = Symptomatic nephrogenic metaplasia of ureter: a morphologic and immunohistochemical study of four cases. | journal = Mod Pathol | volume = 15 | issue = 7 | pages = 765-70 | month = Jul | year = 2002 | doi = 10.1097/01.MP.0000019578.51568.24 | PMID = 12118115 | url = http://www.nature.com/modpathol/journal/v15/n7/full/3880603a.html }}</ref> | ||
*Tubular structures - '''key feature'''. | *Tubular structures - '''key feature'''. † | ||
**Hobnailed cells. ‡ | **Hobnailed cells. ‡ | ||
**+/-Thick eosinophilic basement membrane. | **+/-Thick eosinophilic basement membrane. | ||
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Notes: | Notes: | ||
*May mimic vascular/lymphatic channels - can be sorted-out with IHC. | *May mimic vascular/lymphatic channels - can be sorted-out with IHC. | ||
*‡ May be flat | *‡ May be flat.<ref name=pmid23328975/> | ||
*† May be tubulocystic, polypoid, papillary or fibromyxoid.<ref name=pmid23328975>{{Cite journal | last1 = Piña-Oviedo | first1 = S. | last2 = Shen | first2 = SS. | last3 = Truong | first3 = LD. | last4 = Ayala | first4 = AG. | last5 = Ro | first5 = JY. | title = Flat pattern of nephrogenic adenoma: previously unrecognized pattern unveiled using PAX2 and PAX8 immunohistochemistry. | journal = Mod Pathol | volume = 26 | issue = 6 | pages = 792-8 | month = Jun | year = 2013 | doi = 10.1038/modpathol.2012.239 | PMID = 23328975 }}</ref> | |||
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