Difference between revisions of "Breast pathology"

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Breast pathology (view source)

Revision as of 04:29, 1 May 2016

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→‎Flat epithelial atypia: split otu
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==Flat epithelial atypia==
==Flat epithelial atypia==
===General===
*Abbreviated ''FEA''.
Epidemiology:
{{Main|Flat epithelial atypia}}
*Associated with ADH & DCIS; may represent a non-obligate precursor lesion of ADH & DCIS.<ref name=pmid18384213>{{Cite journal  | last1 = Lerwill | first1 = MF. | title = Flat epithelial atypia of the breast. | journal = Arch Pathol Lab Med | volume = 132 | issue = 4 | pages = 615-21 | month = Apr | year = 2008 | doi = 10.1043/1543-2165(2008)132[615:FEAOTB]2.0.CO;2 | PMID = 18384213 }}</ref>
*Low risk of progression to invasive malignancy.<ref name=pmid12927037>{{Cite journal  | last1 = Schnitt | first1 = SJ. | title = The diagnosis and management of pre-invasive breast disease: flat epithelial atypia--classification, pathologic features and clinical significance. | journal = Breast Cancer Res | volume = 5 | issue = 5 | pages = 263-8 | month =  | year = 2003 | doi = 10.1186/bcr625 | PMID = 12927037 }}</ref>
 
Management:
*Excision.
 
===Microscopic===
Features:
*"Flat" ~ three cells thick.
*Hypercellular gland -- several layers.
*Columnar cell morphology.
*+/-Apical snouts.
 
===Images===
<gallery>
Image:Breast FlatAtypia (3) PA.JPG|Breast - Flat Atypia (SKB)
</gallery>
 
DDx:
*[[Columnar cell change]].
*Columnar cell hyperplasia.
*[[ADH]].
*Flat [[DCIS]] (clinging carcinoma).
*Apocrine cyst - granular cytoplasm.
*[[Tubular carcinoma]] - should be considered due to the association.
 
===Molecular===
*Loss of 16q.
**Not used for [[diagnosis]].


==Complex sclerosing lesion==
==Complex sclerosing lesion==
Michael
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