Difference between revisions of "Soft tissue lesions"

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==Aggressive angiomyxoma==
==Aggressive angiomyxoma==
*[[AKA]] deep aggressive angiomyxoma.
*[[AKA]] deep aggressive angiomyxoma.
===General===
{{Main|Aggressive angiomyxoma}}
*Classically a [[vulva]]r mass or (less commonly) a [[scrotum|scrotal]] mass.
**Case report of a thigh lesion.<ref name=pmid18338163>{{Cite journal  | last1 = Heffernan | first1 = EJ. | last2 = Hayes | first2 = MM. | last3 = Alkubaidan | first3 = FO. | last4 = Clarkson | first4 = PW. | last5 = Munk | first5 = PL. | title = Aggressive angiomyxoma of the thigh. | journal = Skeletal Radiol | volume = 37 | issue = 7 | pages = 673-8 | month = Jul | year = 2008 | doi = 10.1007/s00256-008-0465-0 | PMID = 18338163 }}</ref>
*Benign - no metastatic potential.
*"Aggressive" as it has a high recurrance.
 
===Gross===
*Poorly circumscribed.
*"Rubbery" or "gelatinous".
 
Location:
*[[Vulva]] - classic location.
 
Clinical DDx:
*[[Bartholin cyst]].
 
===Microscopic===
Features:<ref name=Ref_WMSP624>{{Ref WMSP|624}}</ref>
#Thick blood vessels that meld into the surrounding stroma - '''key feature'''.
#[[Myxoid stroma]] - '''key feature'''.
#Small stellate cell/spindle cells without significant nuclear atypia.
 
DDx:
*[[Angiomyofibroblastoma]].<ref name=pmid1314521>{{Cite journal  | last1 = Fletcher | first1 = CD. | last2 = Tsang | first2 = WY. | last3 = Fisher | first3 = C. | last4 = Lee | first4 = KC. | last5 = Chan | first5 = JK. | title = Angiomyofibroblastoma of the vulva. A benign neoplasm distinct from aggressive angiomyxoma. | journal = Am J Surg Pathol | volume = 16 | issue = 4 | pages = 373-82 | month = Apr | year = 1992 | doi =  | PMID = 1314521 }}</ref>
*[[Neurofibroma]].
*[[Myxoma]].
 
====Images====
<gallery>
Image:Aggressive_angiomyxoma_-_intermed_mag.jpg | Aggressive angiomyxoma - intermed. mag. (WC/Nephron)
Image:Aggressive_angiomyxoma_-_very_high_mag.jpg | Aggressive angiomyxoma - very high mag. (WC/Nephron)
</gallery>
www:
*[http://www.webpathology.com/image.asp?n=1&Case=99 Aggressive angiomyxoma - low mag. (webpathology.com)].
*[http://www.webpathology.com/image.asp?case=99&n=2 Aggressive angiomyxoma - high mag. (webpathology.com)].
*[http://path.upmc.edu/cases/case538.html Aggressive angiomyxoma - several images (upmc.edu)].
 
===IHC===
Features:<ref name=Ref_WMSP624>{{Ref WMSP|624}}</ref>
*Desmin +ve.
*Vimentin +ve.
*ER +ve.
*PR +ve.


==Angiomyofibroblastoma==
==Angiomyofibroblastoma==
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