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Difference between revisions of "An introduction to head and neck pathology"
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An introduction to head and neck pathology (view source)
Revision as of 22:13, 19 November 2011
, 22:13, 19 November 2011→Branchial cleft cyst: +BLL
(→Schneiderian papilloma: add alt. term) |
(→Branchial cleft cyst: +BLL) |
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*[http://www.pathology.med.ohio-state.edu/residents/InternalGate/Area51/ResidentSlideCollection/images%2FB403.jpg Branchial cleft cyst (med.ohio-state.edu)].<ref>URL: [http://www.pathology.med.ohio-state.edu/residents/InternalGate/Area51/ResidentSlideCollection/RSLdx.asp http://www.pathology.med.ohio-state.edu/residents/InternalGate/Area51/ResidentSlideCollection/RSLdx.asp]. Accessed on: 15 March 2011.</ref> | *[http://www.pathology.med.ohio-state.edu/residents/InternalGate/Area51/ResidentSlideCollection/images%2FB403.jpg Branchial cleft cyst (med.ohio-state.edu)].<ref>URL: [http://www.pathology.med.ohio-state.edu/residents/InternalGate/Area51/ResidentSlideCollection/RSLdx.asp http://www.pathology.med.ohio-state.edu/residents/InternalGate/Area51/ResidentSlideCollection/RSLdx.asp]. Accessed on: 15 March 2011.</ref> | ||
==Benign lymphoepithelial lesion== | |||
*[[AKA]] ''benign lymphoepithelial cyst'' | |||
===General=== | |||
*Usually parotid gland. | |||
*Associated with autoimmune disease, e.g. Sjoegren disease, may not remain benign.<ref name=pmid12058269>{{Cite journal | last1 = Goto | first1 = TK. | last2 = Shimizu | first2 = M. | last3 = Kobayashi | first3 = I. | last4 = Chikui | first4 = T. | last5 = Kanda | first5 = S. | last6 = Toshitani | first6 = K. | last7 = Shiratsuchi | first7 = Y. | last8 = Yoshida | first8 = K. | title = Lymphoepithelial lesion of the parotid gland. | journal = Dentomaxillofac Radiol | volume = 31 | issue = 3 | pages = 198-203 | month = May | year = 2002 | doi = 10.1038/sj/dmfr/4600690 | PMID = 12058269 }}</ref> | |||
===Microscopic=== | |||
Features: | |||
*Lymphocytes. | |||
*Ductal epithelial cells.<ref name=pmid12761623>{{Cite journal | last1 = Metwaly | first1 = H. | last2 = Cheng | first2 = J. | last3 = Ida-Yonemochi | first3 = H. | last4 = Ohshiro | first4 = K. | last5 = Jen | first5 = KY. | last6 = Liu | first6 = AR. | last7 = Saku | first7 = T. | title = Vascular endothelial cell participation in formation of lymphoepithelial lesions (epi-myoepithelial islands) in lymphoepithelial sialadenitis (benign lymphoepithelial lesion). | journal = Virchows Arch | volume = 443 | issue = 1 | pages = 17-27 | month = Jul | year = 2003 | doi = 10.1007/s00428-003-0824-0 | PMID = 12761623 }}</ref> | |||
Note: | |||
*'''Must''' rule-out (MALT) [[MALT lymphoma|lymphoma]]. | |||
===IHC=== | |||
*CD20, CD3 -- mixed population. | |||
*Kappa ~ lambda. | |||
=Other benign= | =Other benign= | ||