Difference between revisions of "An introduction to head and neck pathology"

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An introduction to head and neck pathology (view source)

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==Rhinoscleroma==
==Rhinoscleroma==
===General===
{{Main|Rhinoscleroma}}
*Caused by ''Klebsiella rhinoscleromatis''.
*Nose involved +95% of the time.<ref name=pmid17359555>{{Cite journal  | last1 = Chan | first1 = TV. | last2 = Spiegel | first2 = JH. | title = Klebsiella rhinoscleromatis of the membranous nasal septum. | journal = J Laryngol Otol | volume = 121 | issue = 10 | pages = 998-1002 | month = Oct | year = 2007 | doi = 10.1017/S0022215107006421 | PMID = 17359555 }}</ref>
 
===Gross===
*Nasal mass - may be deforming.
 
Image:
*[http://commons.wikimedia.org/wiki/File:Wolkowitsch1.jpg Rhinoscleroma (WC)].
 
===Microscopic===
Features:<ref>URL: [http://www.brown.edu/Courses/Digital_Path/systemic_path/hn/rhinoscleroma2.html http://www.brown.edu/Courses/Digital_Path/systemic_path/hn/rhinoscleroma2.html]. Accessed on: 18 January 2012.</ref>
*Macrophages - clear-to-foamy cytoplasm.
*Lymphocytes.
*Plasma cells.
 
DDx:
*[[Rosai-Dorfman disease]].<ref>{{cite journal |author=Iyer VK, Handa KK, Sharma MC |title=Variable extent of emperipolesis in the evolution of Rosai Dorfman disease: Diagnostic and pathogenetic implications |journal=J Cytol |volume=26 |issue=3 |pages=111–6 |year=2009 |month=July |pmid=21938169 |pmc=3168012 |doi=10.4103/0970-9371.59398 |url=}}</ref>
 
Images:
*[[WC]]:
**[http://commons.wikimedia.org/wiki/File:Rhinoscleroma_-_intermed_mag.jpg Rhinoscleroma - intermed. mag. (WC)].
**[http://commons.wikimedia.org/wiki/File:Rhinoscleroma_-_very_high_mag.jpg Rhinoscleroma - very high mag. (WC)].
*www:
**[http://www.brown.edu/Courses/Digital_Path/systemic_path/hn/rhinoscleroma2.html Rhinoscleroma (brown.edu)].
**[http://www.jameswpattersonmd.com/images/pages/rhinoscleroma_mic324.jpg Rhinoscleroma (jameswpattersonmd.com)].<ref>URL: [http://www.jameswpattersonmd.com/case_studies/index.cfm?CFID=387434 http://www.jameswpattersonmd.com/case_studies/index.cfm?CFID=387434]. Accessed on: 21 February 2012.</ref>
 
===Stains===
*Warthin-Starry stain +ve (rod-shaped organisms).
*[[Dieterle stain]] +ve (rod-shaped organisms).


=Neoplasms=
=Neoplasms=
Michael
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