48,790
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(→Microscopic: +image) |
(→Microglandular adenosis: +adenomyoepithelioma) |
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Line 521: | Line 521: | ||
*S100 +ve. | *S100 +ve. | ||
*34BE12 +ve -- focal! | *34BE12 +ve -- focal! | ||
==Adenomyoepithelioma== | |||
===General=== | |||
*Rare benign breast lesion. | |||
===Microscopic=== | |||
Features:<ref>URL: [http://www.webpathology.com/image.asp?n=1&Case=322 http://www.webpathology.com/image.asp?n=1&Case=322]. Accessed on: 16 August 2011.</ref> | |||
*Well-circumscribed. | |||
*Glandular architecture with: | |||
**Easily identifiable myoepithelial cells with clear cytoplasm. | |||
**Eosinophilic cuboidal epithelial cells. | |||
*Eosinophilic basement membrane material between glands. | |||
DDx: | |||
*Invasive ductal carcinoma (on core biopsy). | |||
*Mammary pleomorphic adenoma. | |||
*Ductal adenoma. | |||
Images: | |||
*[http://www.webpathology.com/image.asp?n=1&Case=322 Adenomyoepithelioma - low mag. (webpathology.com)]. | |||
*[http://www.webpathology.com/image.asp?n=4&Case=322 Adenomyoepithelioma - high mag. (webpathology.com)]. | |||
=See also= | =See also= |
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