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Difference between revisions of "Myopericytoma"
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m (→Microscopic: +myofibroma) |
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==Microscopic== | ==Microscopic== | ||
Features: | Features:<ref>{{cite journal |author=Edgecombe A, Peterson RA, Shamji FM, Commons S, Sekhon H, Gomes MM |title=Myopericytoma: a pleural-based spindle cell neoplasm off the beaten path |journal=Int. J. Surg. Pathol. |volume=19 |issue=2 |pages=247–51 |year=2011 |month=April |pmid=21474507 |doi=10.1177/1066896910381897 |url=}}</ref> | ||
*Abundant, branching thin-walled blood vessels. | *Abundant, branching thin-walled blood vessels. | ||
*Small bland epithelioid cells | *Fasicular pattern - may be subtle. | ||
** | *Cellular lesion: | ||
**Small bland unequally spaced epithelioid/spindle cells. | |||
**Moderate eosinophilic cytoplasm. | |||
Notes: | Notes: | ||
*Features overlap with [[myofibroma]].<ref name=pmid16394283>{{cite journal |author=Dray MS, McCarthy SW, Palmer AA, ''et al.'' |title=Myopericytoma: a unifying term for a spectrum of tumours that show overlapping features with myofibroma. A review of 14 cases |journal=J. Clin. Pathol. |volume=59 |issue=1 |pages=67–73 |year=2006 |month=January |pmid=16394283 |pmc=1860256 |doi=10.1136/jcp.2005.028704 |url=}}</ref> | *Features overlap with [[myofibroma]].<ref name=pmid16394283>{{cite journal |author=Dray MS, McCarthy SW, Palmer AA, ''et al.'' |title=Myopericytoma: a unifying term for a spectrum of tumours that show overlapping features with myofibroma. A review of 14 cases |journal=J. Clin. Pathol. |volume=59 |issue=1 |pages=67–73 |year=2006 |month=January |pmid=16394283 |pmc=1860256 |doi=10.1136/jcp.2005.028704 |url=}}</ref> | ||
DDx: | |||
*[[Solitary fibrous tumour]]. | |||
Images: | Images: | ||
*[http://commons.wikimedia.org/wiki/File:Myopericytoma_-_b_-_high_mag.jpg Myopericytoma - high mag. (WC)]. | *[http://commons.wikimedia.org/wiki/File:Myopericytoma_-_b_-_high_mag.jpg Myopericytoma - high mag. (WC)]. | ||
*[http://commons.wikimedia.org/wiki/File:Myopericytoma_-_intermed_mag.jpg Myopericytoma - intermed. mag. (WC)]. | *[http://commons.wikimedia.org/wiki/File:Myopericytoma_-_intermed_mag.jpg Myopericytoma - intermed. mag. (WC)]. | ||
==IHC== | |||
*Some muscle markers +ve. | |||
*CD34 -ve. | |||
==References== | ==References== | ||