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Difference between revisions of "Soft tissue lesions"
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→Tumours of uncertain differentiation: +aggressive angiomyxoma
(→Tumours of uncertain differentiation: +aggressive angiomyxoma) |
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=Tumours of uncertain differentiation= | =Tumours of uncertain differentiation= | ||
==Aggressive angiomyxoma== | |||
*[[AKA]] deep aggressive angiomyxoma. | |||
===General=== | |||
*Vulvar mass or (less commonly) a scrotal mass. | |||
*Benign - no metastatic potential. | |||
*"Aggressive" as it has a high recurrance. | |||
===Microscopic=== | |||
Features:<ref name=Ref_WMSP624>{{Ref WMSP|624}}</ref> | |||
*Small stellate cell/spindle cells without significant nuclear atypia. | |||
*Myxoid stroma. | |||
*Thick blood vessels. | |||
Images: | |||
*[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)]. | |||
===IHC=== | |||
Features: | |||
*Desmin +ve. | |||
*Vimentin +ve. | |||
*ER +ve. | |||
*PR +ve. | |||
==Extrarenal malignant rhabdoid tumour== | ==Extrarenal malignant rhabdoid tumour== | ||
*Essentially identical to ''renal malignant rhabdoid tumour''.<ref name=Ref_WMSP627>{{Ref WMSP|627}}</ref> | *Essentially identical to ''renal malignant rhabdoid tumour''.<ref name=Ref_WMSP627>{{Ref WMSP|627}}</ref> | ||