Difference between revisions of "Vascular tumours"

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==Masson hemangioma==

*[[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>

===General===

*Benign non-neoplastic lesion - a vessel that has thrombosed and recanalized.

*[[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>

*Histomorphologically may be confused with low-grade [[angiosarcoma]] or other soft tissue sarcomas.<ref name=pmid15865098/>

*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==

Difference between revisions of "Vascular tumours"

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@@ Line 89: / Line 89: @@
 ==Masson hemangioma==
+*[[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>
 ===General===
 *Benign non-neoplastic lesion - a vessel that has thrombosed and recanalized.
-*[[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>
+*Histomorphologically may be confused with low-grade [[angiosarcoma]] or other soft tissue sarcomas.<ref name=pmid15865098/>
-*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==