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==Gynecomastoid hyperplasia== |
*[[AKA]] ''gynecomastia''. |
{{Main|Gynecomastoid hyperplasia}} |
==Breast prostheses== |
{{Main|Breast prostheses}} |
=Lesions with increased risk of malignancy= |
==Florid epithelial hyperplasia== |
*AKA ''florid epithelial hyperplasia of the usual type'', abbreviated ''FEHUT''. |
*AKA ''epithelial hyperplasia'' - term should be avoid as it could lead to confusion with ''[[mild epithelial hyperplasia]]''. |
*AKA ''usual ductal hyperplasia'', abbreviated ''UDH''. |
{{Main|Florid epithelial hyperplasia}} |
==Sclerosing adenosis== |
{{Main|Sclerosing adenosis of the breast}} |
==Flat epithelial atypia== |
*Abbreviated ''FEA''. |
{{Main|Flat epithelial atypia}} |
==Complex sclerosing lesion== |
*[[AKA]] ''radial scar''. |
{{Main|Complex sclerosing lesion}} |
=Stromal lesions= |
This section (below) covers stromal lesions of the breast, which vary from benign to malignant. The most common is (the benign) [[fibroadenoma]]. |
Non-breast stroma stromal lesions are covered in the ''[[soft tissue lesions]]'' article. [[Angiosarcoma]] (dealt with in the ''[[vascular tumours]]'' article) is the most common (non-breast stroma) sarcoma of the breast, and classically arises after treatment for a breast carcinoma. |
==Fibroadenoma== |
{{Main|Fibroadenoma}} |
==Phyllodes tumour== |
*Previously ''cystosarcoma phyllodes''. |
{{Main|Phyllodes tumour}} |
==Pseudoangiomatous stromal hyperplasia== |
*Abbreviated ''PASH''. |
*[[AKA]] ''nodular myofibroblastic stromal hyperplasia of the mammary gland''.<ref name=pmid12199757>{{Cite journal | last1 = Leon | first1 = ME. | last2 = Leon | first2 = MA. | last3 = Ahuja | first3 = J. | last4 = Garcia | first4 = FU. | title = Nodular myofibroblastic stromal hyperplasia of the mammary gland as an ... |
{{Main|Pseudoangiomatous stromal hyperplasia}} |
=Weird stuff= |
Like in all niches of pathology... there is weird stuff. |
==Mammary hamartoma== |
*[[AKA]] ''breast hamartoma''. |
{{Main|Mammary hamartoma}} |
==Collagenous spherulosis== |
*[[AKA]] ''mucinous spherulosis'', [[AKA]] ''spherulosis''.<ref name=stanford_collspher>URL: [http://surgpathcriteria.stanford.edu/breast/collspher/ http://surgpathcriteria.stanford.edu/breast/collspher/]. Accessed on: 4 September 2011.</ref> |
{{Main|Collagenous spherulosis}} |
==Nipple adenoma== |
*[[AKA]] ''nipple duct adenoma''. |
*[[AKA]] ''nipple adenoma of breast''. |
*[[AKA]] ''adenoma of the nipple''. |
*[[AKA]] ''florid papillomatosis of the nipple''.<ref name=pmid22342578>{{Cite journal | last1 = Boutayeb | first1 = S. | last2 = Benomar | first2 = S. | last3 = Sbitti | first3 = Y. | last4 = Harroudi | first4 = T. | last5 = Hassam | first5 = B. | last6 = Errihani | first6 = H. | title = Nipple adenoma in a man: An u... |
{{Main|Nipple adenoma}} |
==Intraductal papilloma== |
*[[AKA]] ''papilloma''. |
{{Main|Intraductal papilloma of the breast}} |
==Lymphocytic mastitis== |
*If the individual has [[diabetes mellitus]] it is ''[[diabetic mastopathy]]''. |
{{Main|Lymphocytic mastitis}} |
==Microglandular adenosis== |
:'''''Not''' to be confused with [[microglandular hyperplasia]]''. |
*Abbreviated ''MGA''. |
{{Main|Microglandular adenosis}} |
==Adenomyoepithelioma== |
{{Main|Adenomyoepithelioma}} |
==Mammary myofibroblastoma== |
*[[AKA]] ''breast myofibroblastoma''. |
*[[AKA]] ''myofibroblastoma of the breast''. |
{{Main|Mammary myofibroblastoma}} |
==Squamous metaplasia of lactiferous ducts== |
*Abbreviated ''SMOLD''. |
{{Main|Squamous metaplasia of lactiferous ducts}} |
==Granular cell tumour of the breast== |
{{Main|Granular cell tumour}} |
===General=== |
*Uncommon. |
===Gross=== |
*May be a spiculated mass and thus mimic malignancy radiologically.<ref name=pmid16615051>{{Cite journal | last1 = Yang | first1 = WT. | last2 = Edeiken-Monroe | first2 = B. | last3 = Sneige | first3 = N. | last4 = Fornage | first4 = BD. | title = Sonographic and mammographic appearances of granular cell tumors of the... |
===Microscopic=== |
:See ''[[granular cell tumour]]''. |
DDx: |
*[[Invasive lobular carcinoma]].<ref name=pmid21398688>{{Cite journal | last1 = Tan | first1 = PH. | last2 = Harada | first2 = O. | last3 = Thike | first3 = AA. | last4 = Tse | first4 = GM. | title = Histiocytoid breast carcinoma: an enigmatic lobular entity. | journal = J Clin Pathol | volume = 64 | issue = 8 | pages... |
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