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===Microscopic=== | ===Microscopic=== | ||
Features: | Features: | ||
*Fibrosis. | *+/-Fibrosis. | ||
*Non-neoplastic mononuclear inflammatory infiltrate (lymphocytes, plasma | *Non-neoplastic mononuclear inflammatory infiltrate (lymphocytes, [[plasma cell]]s). | ||
Note: | |||
*If the infiltrate is predominantly lymphocytes it raises the possibility of Sjögren's and the ''[[Focus score]]'' should be assessed. | |||
DDx: | DDx: | ||
*[[Lymphoma]] - especially [[MALT lymphoma]].<ref>{{Cite journal | last1 = Beasley | first1 = MJ. | title = Lymphoma of the Thyroid and Head and Neck. | journal = Clin Oncol (R Coll Radiol) | volume = | issue = | pages = | month = Apr | year = 2012 | doi = 10.1016/j.clon.2012.02.010 | PMID = 22475637 }}</ref> | *[[Lymphoma]] - especially [[MALT lymphoma]].<ref name=pmid22475637>{{Cite journal | last1 = Beasley | first1 = MJ. | title = Lymphoma of the Thyroid and Head and Neck. | journal = Clin Oncol (R Coll Radiol) | volume = | issue = | pages = | month = Apr | year = 2012 | doi = 10.1016/j.clon.2012.02.010 | PMID = 22475637 }}</ref> | ||
Image: | Image: |
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