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Difference between revisions of "Vermiform appendix"
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→Mucinous tumours of the appendix
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:''Benign appendiceal [[mucocele]]'' and ''appendiceal mucocele'' redirect here. | :''Benign appendiceal [[mucocele]]'' and ''appendiceal mucocele'' redirect here. | ||
===General=== | ===General=== | ||
* | *There are many classifications and they are controversial.<ref name=pmid21970481>{{Cite journal | last1 = Panarelli | first1 = NC. | last2 = Yantiss | first2 = RK. | title = Mucinous neoplasms of the appendix and peritoneum. | journal = Arch Pathol Lab Med | volume = 135 | issue = 10 | pages = 1261-8 | month = Oct | year = 2011 | doi = 10.5858/arpa.2011-0034-RA | PMID = 21970481 }}</ref> | ||
**The controversy centres on whether to call all mucinous tumours outside of the appendix adenocarcinoma - regardless of whether they have atypia & show invasion. | **The controversy centres on whether to call all mucinous tumours outside of the appendix ''adenocarcinoma'' - regardless of whether they have atypia & show invasion. | ||
*''Panarelli and Yantiss'' created a nice summary table - that compare the classifications - see: [http://www.archivesofpathology.org/action/showFullPopup?id=i1543-2165-135-10-1261-t01&doi=10.5858%2Farpa.2011-0034-RA comparison of classifications (archivesofpathology.org)].<ref name=pmid21970481/> | |||
*In women - an ovarian primary must be excluded. | *In women - an ovarian primary must be excluded. | ||
**Concurrent ''bilateral'' ovarian tumours suggests the tumour originated from the appendix and spread to the ovaries. | **Concurrent ''bilateral'' ovarian tumours suggests the tumour originated from the appendix and spread to the ovaries. | ||
*[[Onlinepathology]] prefers the classification of Misdraji,<ref name=pmid12883241>{{cite journal |author=Misdraji J, Yantiss RK, Graeme-Cook FM, Balis UJ, Young RH |title=Appendiceal mucinous neoplasms: a clinicopathologic analysis of 107 cases |journal=Am. J. Surg. Pathol. |volume=27 |issue=8 |pages=1089–103 |year=2003 |month=August |pmid=12883241 |doi= |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0147-5185&volume=27&issue=8&spage=1089}}</ref> as it is the least complicated | |||
====Misdraji Classification==== | |||
*Benign - ''low grade mucinous tumour''. | *Benign - ''low grade mucinous tumour''. | ||
*Borderline - ''mucinous tumour of uncertain malignant potential'' or ''borderline mucinous tumour''. | *Borderline - ''mucinous tumour of uncertain malignant potential'' or ''borderline mucinous tumour''. | ||