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Difference between revisions of "Myopericytoma"
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{{ Infobox diagnosis | {{ Infobox diagnosis | ||
| Name = {{PAGENAME}} | | Name = {{PAGENAME}} | ||
| Image = Myopericytoma_ | | Image = Myopericytoma_-_high_mag.jpg | ||
| Width = | | Width = | ||
| Caption = Myopericytoma. [[H&E stain]]. | | Caption = Myopericytoma. [[H&E stain]]. | ||
| Micro = | | Micro = fascicular pattern (may be subtle) with compressed blood vessels (often thin walled & branching), increased peri-vascular cellularity; high cellularity; small bland unequally spaced epithelioid/spindle cells with moderate eosinophilic cytoplasm | ||
| Subtypes = | | Subtypes = | ||
| LMDDx = [[solitary fibrous tumour]], [[vascular tumours]] | | LMDDx = [[solitary fibrous tumour]], [[vascular tumours]] | ||
| Line 37: | Line 37: | ||
==Microscopic== | ==Microscopic== | ||
Features:<ref name=pmid21474507>{{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><ref name=Ref_WMSP615>{{Ref WMSP|615}}</ref> | Features:<ref name=pmid21474507>{{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><ref name=Ref_WMSP615>{{Ref WMSP|615}}</ref> | ||
* | *Fascicular pattern - may be subtle - with: | ||
**Compressed blood vessels, often thin walled & branching. | **Compressed blood vessels, often thin walled & branching. | ||
**Increased peri-vascular cellularity. | **Increased peri-vascular cellularity. | ||
| Line 50: | Line 50: | ||
*[[Solitary fibrous tumour]]. | *[[Solitary fibrous tumour]]. | ||
*[[Vascular tumours]]. | *[[Vascular tumours]]. | ||
*[[Angioleiomyoma]].<ref name=pmid16330949>{{cite journal |author=Mentzel T, Dei Tos AP, Sapi Z, Kutzner H |title=Myopericytoma of skin and soft tissues: clinicopathologic and immunohistochemical study of 54 cases |journal=Am. J. Surg. Pathol. |volume=30 |issue=1 |pages=104–13 |year=2006 |month=January |pmid=16330949 |doi= |url=}}</ref> | |||
===Images=== | ===Images=== | ||
<gallery> | <gallery> | ||
Image: | Image:Myopericytoma - low mag.jpg | Myopericytoma - low mag. (WC) | ||
Image: | Image:Myopericytoma - intermed mag.jpg | Myopericytoma - intermed. mag. (WC) | ||
Image:Myopericytoma - high mag.jpg | Myopericytoma - high mag. (WC) | |||
Image:Myopericytoma - b - high mag.jpg | Myopericytoma - high mag. (WC) | |||
Image:Myopericytoma - very high mag.jpg | Myopericytoma - very high mag. (WC) | |||
</gallery> | </gallery> | ||
==IHC== | ==IHC== | ||
Features:<ref name=Ref_WMSP615>{{Ref WMSP|615}}</ref><ref name=eihc_myo>URL: [http://e-immunohistochemistry.info/web/Myopericytoma.htm http://e-immunohistochemistry.info/web/Myopericytoma.htm]. Accessed on: 6 May 2011.</ref> | Features:<ref name=Ref_WMSP615>{{Ref WMSP|615}}</ref><ref name=eihc_myo>URL: [http://e-immunohistochemistry.info/web/Myopericytoma.htm http://e-immunohistochemistry.info/web/Myopericytoma.htm]. Accessed on: 6 May 2011.</ref> | ||