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Difference between revisions of "Epithelioid cell lesions"
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'''Epithelioid cell lesions''' are very common in pathology. Malignant epithelioid lesions are usually a carcinoma. | '''Epithelioid cell lesions''' are very common in pathology. Malignant epithelioid lesions are usually a carcinoma. | ||
== | ==Classification== | ||
===A short DDx | Broadly, epithelioid lesions are split into: | ||
*[[Small round cell tumours]]. | |||
*[[Large epithelioid tumours]]. | |||
==General differential diagnosis== | |||
A short DDx: | |||
*Carcinoma (primary and metastatic). | *Carcinoma (primary and metastatic). | ||
*[[Malignant melanoma]]. | *[[Malignant melanoma]]. | ||
*Sarcoma. | *Sarcoma. | ||
===Epithelioid sarcomas=== | |||
All rules are made to be broken... some epithelioid lesions are sarcomas:<ref name=pmid19664495>{{cite journal |author=Dei Tos AP, Wagner AJ, Modena P, Comandone A, Leyvraz S |title=Epithelioid soft tissue tumors |journal=Semin. Oncol. |volume=36 |issue=4 |pages=347–57 |year=2009 |month=August |pmid=19664495 |doi=10.1053/j.seminoncol.2009.06.005 |url=}}</ref> | All rules are made to be broken... some epithelioid lesions are sarcomas:<ref name=pmid19664495>{{cite journal |author=Dei Tos AP, Wagner AJ, Modena P, Comandone A, Leyvraz S |title=Epithelioid soft tissue tumors |journal=Semin. Oncol. |volume=36 |issue=4 |pages=347–57 |year=2009 |month=August |pmid=19664495 |doi=10.1053/j.seminoncol.2009.06.005 |url=}}</ref> | ||
*[[Epithelioid sarcoma]]. | *[[Epithelioid sarcoma]]. | ||
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Note: | Note: | ||
* | *An exhaustive [[DDx]] is found in ''[[large epithelioid tumours]]'' and ''[[small round cell tumours]]''. | ||
An exhaustive [[DDx]] | |||
==See also== | ==See also== | ||