Difference between revisions of "Salivary glands"

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Salivary glands (view source)

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[[Image:Blausen_0780_SalivaryGlands.png|thumb|300px|Schematic showing the major salivary glands. (WC)]]
[[Image:Blausen_0780_SalivaryGlands.png|thumb|300px|Schematic showing the major salivary glands. (WC)]]
The '''salivary glands''' help digest food.  ENT surgeons take 'em out and want you to diagnose 'em. [[Cytopathology]] of the salivary glands is covered in the ''[[Head and neck cytopathology]]'' article.
The '''salivary glands''' help digest food.  ENT surgeons excise them if a malignancy is suspected.  
 
The [[cytopathology]] of the salivary glands is covered in the ''[[Head and neck cytopathology]]'' article.


=Normal salivary glands=
=Normal salivary glands=
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| [[basal cell adenoma]]
| [[basal cell adenoma]]
| exclusively oral cavity, 80% in upper lip; IHC: p63-
| exclusively oral cavity, 80% in upper lip; IHC: p63-
| [http://www.webpathology.com/image.asp?n=1&Case=116 (webpathology.com)], [http://www.webpathology.com/image.asp?n=2&Case=116 (webpathology.com)]
| [[Image:Canalicular_adenoma_--_high_mag.jpg | thumb | center |150px| CA. (WC)]]
|-
|-
|[[Sialoblastoma]]
|[[Sialoblastoma]]
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*Metastatic [[clear cell carcinoma]].
*Metastatic [[clear cell carcinoma]].
**Metastatic [[clear cell renal cell carcinoma]].
**Metastatic [[clear cell renal cell carcinoma]].
===Basaloid neoplasms===
*[[Basal cell adenoma]].
*[[Basal cell adenocarcinoma]]
*[[Pleomorphic adenoma]].<ref name=pmi12478487/>
*[[Adenoid cystic carcinoma]].<ref name=pmi12478487/>
*[[Small cell carcinoma]].<ref name=pmi12478487>{{Cite journal  | last1 = Chhieng | first1 = DC. | last2 = Paulino | first2 = AF. | title = Basaloid tumors of the salivary glands. | journal = Ann Diagn Pathol | volume = 6 | issue = 6 | pages = 364-72 | month = Dec | year = 2002 | doi = 10.1053/adpa.2002.37013 | PMID = 12478487 }}</ref>


==IHC overview==
==IHC overview==
General:
General:
*Usually has limited value.
*Usually has limited value. <!--as per Ilan Weinreb-->


Specifics:
Overview:
*Luminal markers: [[CK7]], [[CK19]], CAM5.2 (LMWK).
*Luminal markers: [[CK7]], [[CK19]], CAM5.2 (LMWK).
*Basal markers: p63, HMWK, CK14.
*Basal markers: p63, HMWK, CK14.
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Notes:
Notes:
*p63 and S-100 are sometimes call myoepithelial.
*p63 and S-100 are sometimes call myoepithelial.
Specifics:
*Calponin, S-100, Ki-67 may be useful as per Nagao ''et al.''<ref>{{Cite journal  | last1 = Nagao | first1 = T. | last2 = Sato | first2 = E. | last3 = Inoue | first3 = R. | last4 = Oshiro | first4 = H. | last5 = H Takahashi | first5 = R. | last6 = Nagai | first6 = T. | last7 = Yoshida | first7 = M. | last8 = Suzuki | first8 = F. | last9 = Obikane | first9 = H. | title = Immunohistochemical analysis of salivary gland tumors: application for surgical pathology practice. | journal = Acta Histochem Cytochem | volume = 45 | issue = 5 | pages = 269-82 | month = Oct | year = 2012 | doi = 10.1267/ahc.12019 | PMID = 23209336 }}</ref>


=Benign=
=Benign=
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==Sebaceous lymphadenoma==
==Sebaceous lymphadenoma==
===General===
{{Main|Sebaceous lymphadenoma}}
*Rare salivary gland tumour.<ref name=pmid21393895/>
*Benign.
 
===Microscopic===
Features:<ref name=pmid21393895>{{Cite journal  | last1 = Mishra | first1 = A. | last2 = Tripathi | first2 = K. | last3 = Mohanty | first3 = L. | last4 = Nayak | first4 = M. | title = Sebaceous lymphadenoma of the parotid gland. | journal = Indian J Pathol Microbiol | volume = 54 | issue = 1 | pages = 131-2 | month =  | year =  | doi = 10.4103/0377-4929.77364 | PMID = 21393895 | url = http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2011;volume=54;issue=1;spage=131;epage=132;aulast=Mishra }}</ref>
*Sebaceous glands within lymphoid tissue - '''key feature'''.
 
DDx:<ref name=pmid20737364>{{Cite journal  | last1 = While | first1 = B. | last2 = Whiteside | first2 = OJ. | last3 = Desai | first3 = V. | last4 = Gurr | first4 = P. | title = Sebaceous lymphadenoma: a case report and review of the literature. | journal = Ear Nose Throat J | volume = 89 | issue = 8 | pages = E22-3 | month = Aug | year = 2010 | doi =  | PMID = 20737364 }}</ref>
*[[Warthin tumour]].
*Sebaceous lymphadenocarcinoma.
*[[Mucoepidermoid carcinoma]].
*Lymphoma.
 
====Images====
<gallery>
Image:Sebaceous_lymphadenoma_-_low_mag.jpg| Sebaceous lymphadenoma - low mag. (WC/Nephron)
Image:Sebaceous_lymphadenoma_-_intermed_mag.jpg| Sebaceous lymphadenoma - intermed. mag. (WC/Nephron)
Image:Sebaceous_lymphadenoma_-_high_mag.jpg| Sebaceous lymphadenoma - high mag. (WC/Nephron)
Image:Sebaceous_lymphadenoma_-_very_high_mag.jpg| Sebaceous lymphadenoma - very high mag. (WC/Nephron)
</gallery>
www:
*[http://path.upmc.edu/cases/case281.html Sebaceous lymphadenoma (upmc.edu)].


==Oncocytoma of the salivary gland==
==Oncocytoma of the salivary gland==
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==Adenoid cystic carcinoma==
==Adenoid cystic carcinoma==
:See: ''[[Adenoid cystic carcinoma of the breast]]'' for the [[breast]] tumour.
{{Main|Adenoid cystic carcinoma}}
{{Main|Adenoid cystic carcinoma}}
Note: The [[breast]] tumour is dealt with in ''[[adenoid cystic carcinoma of the breast]]''.


==Salivary duct carcinoma==
==Salivary duct carcinoma==
{{Main|Salivary duct carcinoma}}
{{Main|Salivary duct carcinoma}}
==Intraductal carcinoma of the salivary gland==
{{Main|Intraductal carcinoma of the salivary gland}}


==Polymorphous low-grade adenocarcinoma==
==Polymorphous low-grade adenocarcinoma==
Michael
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