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Difference between revisions of "Glomus tumour"
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→Microscopic
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*The regular cell spacing is called "cookie cutter appearance". It looks like the cells were created with a cookie cutter; the spacing between cell is equal and they all look very similar. | *The regular cell spacing is called "cookie cutter appearance". It looks like the cells were created with a cookie cutter; the spacing between cell is equal and they all look very similar. | ||
*Should be perivascular - abut endothelial cells. | *Should be perivascular - abut endothelial cells. | ||
DDx - Why it is not a(n) ...<ref name=ouhsc>URL: [http://moon.ouhsc.edu/kfung/jty1/opaq/PathQuiz/Z0B003-PQ01-M.htm http://moon.ouhsc.edu/kfung/jty1/opaq/PathQuiz/Z0B003-PQ01-M.htm]. Accessed on: 19 October 2010.</ref> | |||
*[[Angiosarcoma]] - has nuclear atypia. | |||
*[[Dermatofibroma]] - spindle cell lesion. | |||
*[[Capillary hemangioma]] - no epithelioid cells, more blood vessels. | |||
===Images=== | ===Images=== | ||
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*[http://moon.ouhsc.edu/kfung/jty1/opaq/PathQuiz/Z0B003-PQ01-M.htm Glomus tumour (ouhsc.edu)]. | *[http://moon.ouhsc.edu/kfung/jty1/opaq/PathQuiz/Z0B003-PQ01-M.htm Glomus tumour (ouhsc.edu)]. | ||
==IHC== | |||
Features:<ref name=pmid9362106>{{cite journal |author=Hatori M, Aiba S, Kato M, Kamiya N, Kokubun S |title=Expression of CD34 in glomus tumors |journal=Tohoku J. Exp. Med. |volume=182 |issue=3 |pages=241–7 |year=1997 |month=July |pmid=9362106 |doi= |url=}}</ref> | Features:<ref name=pmid9362106>{{cite journal |author=Hatori M, Aiba S, Kato M, Kamiya N, Kokubun S |title=Expression of CD34 in glomus tumors |journal=Tohoku J. Exp. Med. |volume=182 |issue=3 |pages=241–7 |year=1997 |month=July |pmid=9362106 |doi= |url=}}</ref> | ||
*SMA +ve ~ 100%. | *SMA +ve ~ 100%. | ||
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Others: | Others: | ||
*S100 -ve. | *S100 -ve. | ||
==Sign out== | ==Sign out== | ||