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Difference between revisions of "Soft tissue lesions"
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→Aggressive angiomyxoma: more
(→Aggressive angiomyxoma: more) |
(→Aggressive angiomyxoma: more) |
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*ER +ve. | *ER +ve. | ||
*PR +ve. | *PR +ve. | ||
==Angiomyofibroblastoma== | |||
===General=== | |||
*Uncommon. | |||
Clinical DDx: | |||
*[[Bartholin cyst]]. | |||
===Microscopic=== | |||
Features:<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> | |||
*Hypercellular zones and hypocellular edematous zones. | |||
*Small blood vessels (~20 micrometers) - no large blood vessels - '''key feature'''. | |||
*[[Myxoid stroma]] - '''key feature'''. | |||
*Small stellate cell/spindle cells without significant nuclear atypia. | |||
DDx: | |||
*[[Aggressive angiomyxoma]] - less cellular, large blood vessels. | |||
Images: | |||
*[http://www.webpathology.com/image.asp?case=544&n=4 Angiomyofibroblastoma (webpathology.com)] | |||
*[http://www.webpathology.com/image.asp?n=5&Case=544 Angiomyofibroblastoma - high mag. (webpathology.com)]. | |||
==Extrarenal malignant rhabdoid tumour== | ==Extrarenal malignant rhabdoid tumour== | ||