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Difference between revisions of "Parathyroid glands"
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→Thyroid versus parathyroid
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**Hyperchromatic. | **Hyperchromatic. | ||
Notes: | |||
*Thyroid often has birefringent (calcium oxalate) crystals (60 of 80 cases) whereas parathyroid less often does (2 or 20 cases).<ref name=pmid24618617>{{cite journal |authors=Wong KS, Lewis JS, Gottipati S, Chernock RD |title=Utility of birefringent crystal identification by polarized light microscopy in distinguishing thyroid from parathyroid tissue on intraoperative frozen sections |journal=Am J Surg Pathol |volume=38 |issue=9 |pages=1212–9 |date=September 2014 |pmid=24618617 |doi=10.1097/PAS.0000000000000204 |url=}}</ref> | |||
*Thyroid usually follicular - though parathyroid occasionally is pseudofollicular. | |||
====Parathyroid versus lymphoid tissue==== | ====Parathyroid versus lymphoid tissue==== | ||
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*[http://www.deltagen.com/target/histologyatlas/atlas_files/endocrine/parathyroid_and_thyroid_glands_20x.jpg Parathyroid image (deltagen.com)]. | *[http://www.deltagen.com/target/histologyatlas/atlas_files/endocrine/parathyroid_and_thyroid_glands_20x.jpg Parathyroid image (deltagen.com)]. | ||
*[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1770637/figure/f1/ Parathyroid gland (nih.gov)].<ref name=pmid15790694>{{Cite journal | last1 = Johnson | first1 = SJ. | last2 = Sheffield | first2 = EA. | last3 = McNicol | first3 = AM. | title = Best practice no 183. Examination of parathyroid gland specimens. | journal = J Clin Pathol | volume = 58 | issue = 4 | pages = 338-42 | month = Apr | year = 2005 | doi = 10.1136/jcp.2002.002550 | PMID = 15790694 | pmc = 1770637 }}</ref> | *[http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1770637/figure/f1/ Parathyroid gland (nih.gov)].<ref name=pmid15790694>{{Cite journal | last1 = Johnson | first1 = SJ. | last2 = Sheffield | first2 = EA. | last3 = McNicol | first3 = AM. | title = Best practice no 183. Examination of parathyroid gland specimens. | journal = J Clin Pathol | volume = 58 | issue = 4 | pages = 338-42 | month = Apr | year = 2005 | doi = 10.1136/jcp.2002.002550 | PMID = 15790694 | pmc = 1770637 }}</ref> | ||
===IHC=== | |||
*GATA3 +ve (>98%<ref name=pmid27097544>{{Cite journal | last1 = Takada | first1 = N. | last2 = Hirokawa | first2 = M. | last3 = Suzuki | first3 = A. | last4 = Higuchi | first4 = M. | last5 = Kuma | first5 = S. | last6 = Miyauchi | first6 = A. | title = Diagnostic value of GATA-3 in cytological identification of parathyroid tissues. | journal = Endocr J | volume = 63 | issue = 7 | pages = 621-6 | month = Jul | year = 2016 | doi = 10.1507/endocrj.EJ15-0700 | PMID = 27097544 }}</ref>). | |||
*PTH -ve/+ve (~33%<ref name=pmid27097544/>). | |||
*Chromogranin A +ve (~80%<ref name=pmid27097544/>). | |||
*AE1/AE3 +ve.{{fact}}<!-- {{Cite journal | last1 = Piciu | first1 = D. | last2 = Irimie | first2 = A. | last3 = Kontogeorgos | first3 = G. | last4 = Piciu | first4 = A. | last5 = Buiga | first5 = R. | title = Highly aggressive pathology of non-functional parathyroid carcinoma. | journal = Orphanet J Rare Dis | volume = 8 | issue = | pages = 115 | month = Aug | year = 2013 | doi = 10.1186/1750-1172-8-115 | PMID = 23915575 }} --> | |||
=Specific entities= | =Specific entities= | ||