48,802
edits
(→Mild epithelial hyperplasia: more) |
|||
Line 322: | Line 322: | ||
=Lesions with increased risk of malignancy= | =Lesions with increased risk of malignancy= | ||
==Florid epithelial hyperplasia== | |||
*[[AKA]] ''florid epithelial hyperplasia'', abbreviated ''FEH''. | |||
*AKA ''florid epithelial hyperplasia of the usual type'', abbreviated ''FEHUT''. | |||
===General=== | |||
*Mild increased risk of malignancy ~ 1.5-2x.<ref>{{Ref PCPBoD8|542}}</ref> | |||
*Has to be separated from ''[[mild epithelial hyperplasia]]''. | |||
Note: | |||
*''Moderate epithelial hyperplasia'' redirect to this section. | |||
**It is generally not separated from FEH, as the prognosis is thought to be the same. | |||
===Microscopic=== | |||
Features:<ref>{{Ref BP|159-160}}</ref> | |||
*Breast glands with ''more than'' four cell layers above the basement membrane - '''key feature'''. | |||
*Variable cells. | |||
Note: | |||
*Memory device ''CLEAN'' = '''C'''ell spacing is irregular, '''L'''umina are slit-like, '''E'''xtent is less than 2 mm or 2 ducts, '''A'''rchitecture ''not'' DCIS-like, '''N'''uclear atypia ''not'' present. | |||
DDx: | |||
*[[Mild epithelial hyperplasia]]. | |||
*[[Atypical ductal hyperplasia]]. | |||
*Cribriform [[ductal carcinoma in situ]] | |||
==Sclerosing adenosis== | ==Sclerosing adenosis== |
edits