Difference between revisions of "Vascular tumours"

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[[Image:Capillary_hemangioma_-_very_high_mag.jpg|thumb|right|[[Micrograph]] showing a [[capillary hemangioma]], a common type of vascular tumour. [[H&E stain]].]]
This article covers [[soft tissue lesions|soft tissue]] '''vascular tumours'''.  Vascular malformations are covered in the ''[[vascular malformations]]'' article.
This article covers [[soft tissue lesions|soft tissue]] '''vascular tumours'''.  Vascular malformations are covered in the ''[[vascular malformations]]'' article.


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==Hemangioma==
==Hemangioma==
{{Main|Hemangioma}}
{{Main|Hemangioma}}
{{Main|Liver hemangioma}}


==Lymphangioma==
==Lymphangioma==
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*[[AKA]] ''intravascular papillary endothelial hyperplasia''.<ref name=pmid15865098>{{cite journal |author=Korkolis DP, Papaevangelou M, Koulaxouzidis G, Zirganos N, Psichogiou H, Vassilopoulos PP |title=Intravascular papillary endothelial hyperplasia (Masson's hemangioma) presenting as a soft-tissue sarcoma |journal=Anticancer Res. |volume=25 |issue=2B |pages=1409–12 |year=2005 |pmid=15865098 |doi= |url=}}</ref>  
*[[AKA]] ''intravascular papillary endothelial hyperplasia''.<ref name=pmid15865098>{{cite journal |author=Korkolis DP, Papaevangelou M, Koulaxouzidis G, Zirganos N, Psichogiou H, Vassilopoulos PP |title=Intravascular papillary endothelial hyperplasia (Masson's hemangioma) presenting as a soft-tissue sarcoma |journal=Anticancer Res. |volume=25 |issue=2B |pages=1409–12 |year=2005 |pmid=15865098 |doi= |url=}}</ref>  
*[[AKA]] ''Masson tumor''.<ref>URL: [http://path.upmc.edu/cases/case544/dx.html http://path.upmc.edu/cases/case544/dx.html]. Accessed on: 25 January 2012.</ref>
*[[AKA]] ''Masson tumor''.<ref>URL: [http://path.upmc.edu/cases/case544/dx.html http://path.upmc.edu/cases/case544/dx.html]. Accessed on: 25 January 2012.</ref>
===General===
{{Main|intravascular papillary endothelial hyperplasia}}
*Benign non-neoplastic lesion - a vessel that has thrombosed and recanalized.
*Histomorphologically may be confused with low-grade [[angiosarcoma]] or other soft tissue sarcomas.<ref name=pmid15865098/>
===Microscopic===
Features:
*Well-circumscribed - '''key (low power) feature'''.
*Abundant small vascular channels with benign endothelium.
*+/-Papillary formation with a fibrotic core covered by benign endothelium.<ref>URL: [http://path.upmc.edu/cases/case544.html http://path.upmc.edu/cases/case544.html]. Accessed on: 25 January 2012.</ref>
 
Notes:
*Looks like [[Kaposi sarcoma]] at high power.
 
Images:
*[http://path.upmc.edu/cases/case544.html Masson hemangioma - several images (upmc.edu)].


==Angiosarcoma==
==Angiosarcoma==
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==Epithelioid hemangioendothelioma==
==Epithelioid hemangioendothelioma==
{{Main|Epithelioid hemangioendothelioma}}
{{Main|Epithelioid hemangioendothelioma}}
==Retiform hemangioendothelioma==
{{Main|Retiform hemangioendothelioma}}
==Intimal sarcoma==
{{Main|Intimal sarcoma}}


=See also=
=See also=
48,475

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