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Difference between revisions of "Branchial cleft cyst"
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'''Branchial cleft cyst''', also '''branchial cleft remnant''', is a benign congenital lesion of the [[head and neck pathology|head and neck]]. | |||
==General== | |||
*Benign congenital thingy in the lateral neck.<ref>URL: [http://www.childrenshospital.org/az/Site663/mainpageS663P0.html http://www.childrenshospital.org/az/Site663/mainpageS663P0.html]. Accessed on: 15 March 2011.</ref> | |||
*Most common cystic neck lesion in young adults.<ref name=pmid19593684>{{Cite journal | last1 = Pietarinen-Runtti | first1 = P. | last2 = Apajalahti | first2 = S. | last3 = Robinson | first3 = S. | last4 = Passador-Santos | first4 = F. | last5 = Leivo | first5 = I. | last6 = Mäkitie | first6 = AA. | title = Cystic neck lesions: clinical, radiological and differential diagnostic considerations. | journal = Acta Otolaryngol | volume = 130 | issue = 2 | pages = 300-4 | month = Feb | year = 2010 | doi = 10.3109/00016480903127450 | PMID = 19593684 }}</ref> | |||
*Treatment: excision. | |||
==Gross== | |||
*Lateral neck mass. | |||
Image - clinical: | |||
*[http://medical-dictionary.thefreedictionary.com/_/viewer.aspx?path=mosby&name=500051-fx23.jpg Branchial cleft cyst (thefreedictionary.com)]. | |||
==Microscopic== | |||
Features: | |||
*Cystic space lined by squamous epithelium - usually. | |||
**+/-Inflammation. | |||
*Connective tissue: | |||
**+/-Adipose tissue. | |||
**+/-Cartilage. | |||
**+/-Bone. | |||
**+/-Muscle. | |||
DDx: | |||
*Cystic [[squamous cell carcinoma]] - may be deceptively benign appearing.<ref name=pmid19593684>{{Cite journal | last1 = Pietarinen-Runtti | first1 = P. | last2 = Apajalahti | first2 = S. | last3 = Robinson | first3 = S. | last4 = Passador-Santos | first4 = F. | last5 = Leivo | first5 = I. | last6 = Mäkitie | first6 = AA. | title = Cystic neck lesions: clinical, radiological and differential diagnostic considerations. | journal = Acta Otolaryngol | volume = 130 | issue = 2 | pages = 300-4 | month = Feb | year = 2010 | doi = 10.3109/00016480903127450 | PMID = 19593684 }}</ref> | |||
===Images=== | |||
*[http://www.flickr.com/photos/jian-hua_qiao_md/8599213842/in/photostream/ BCC (flickr.com/Qiao)]. | |||
*[http://www.flickr.com/photos/jian-hua_qiao_md/8599214250/in/photostream/ BCC (flickr.com/Qiao)]. | |||
==IHC== | |||
*p16 -ve. | |||
**May be done to exclude a [[HPV-associated head and neck squamous cell carcinoma]]. | |||
*Ki-67 low. | |||
==See also== | |||
*[[Head and neck pathology]]. | |||
==References== | |||
{{Reflist|2}} | |||
[[Category:Head and neck pathology]] | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||