Difference between revisions of "Endometrial hyperplasia"

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=Overview=
=Overview=
The most widely used system is from the World Health Organization (WHO).  
===WHO endometrial hyperplasia classification of 2014===
The 2014 WHO system only has two categories:<ref name=pmid25797956 >{{Cite journal  | last1 = Emons | first1 = G. | last2 = Beckmann | first2 = MW. | last3 = Schmidt | first3 = D. | last4 = Mallmann | first4 = P. | title = New WHO Classification of Endometrial Hyperplasias. | journal = Geburtshilfe Frauenheilkd | volume = 75 | issue = 2 | pages = 135-136 | month = Feb | year = 2015 | doi = 10.1055/s-0034-1396256 | PMID = 25797956 }}</ref>
*Hyperplasia without atypia.
*Atypical hyperplasia/endometrioid intraepithelial neoplasia.


===WHO endometrial hyperplasia classification of 1994 - overview===
===WHO endometrial hyperplasia classification of 1994===
The WHO system of 1994 is based on determining:<ref name=pmid25797956>{{Cite journal  | last1 = Emons | first1 = G. | last2 = Beckmann | first2 = MW. | last3 = Schmidt | first3 = D. | last4 = Mallmann | first4 = P. | title = New WHO Classification of Endometrial Hyperplasias. | journal = Geburtshilfe Frauenheilkd | volume = 75 | issue = 2 | pages = 135-136 | month = Feb | year = 2015 | doi = 10.1055/s-0034-1396256 | PMID = 25797956 }}</ref>
The 1994 WHO system is based on determining:<ref name=pmid25797956>{{Cite journal  | last1 = Emons | first1 = G. | last2 = Beckmann | first2 = MW. | last3 = Schmidt | first3 = D. | last4 = Mallmann | first4 = P. | title = New WHO Classification of Endometrial Hyperplasias. | journal = Geburtshilfe Frauenheilkd | volume = 75 | issue = 2 | pages = 135-136 | month = Feb | year = 2015 | doi = 10.1055/s-0034-1396256 | PMID = 25797956 }}</ref>
# Gland density (normal = ''simple hyperplasia'', high density = ''complex hyperplasia'').
# Gland density (normal/low = ''simple hyperplasia'', high density = ''complex hyperplasia'').
# Presence/absence of nuclear atypia.  
# Presence/absence of nuclear atypia.  
It consists of four categories
*[[Simple endometrial hyperplasia]].
*[[Simple endometrial hyperplasia with atypia]].
*[[Complex endometrial hyperplasia]].
*[[Complex endometrial hyperplasia with atypia]].


===Alternate classifications - overview===
===Alternate classifications - overview===
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#Endometrial intraepithelial neoplasia (EIN).
#Endometrial intraepithelial neoplasia (EIN).


==WHO classification==
==WHO classification of 1994==
===Management of endometrial hyperplasia===
===Management of endometrial hyperplasia===
*Endometrial hyperplasia with atypia is usually treated with hysterectomy.<ref>URL: [http://www.aafp.org/afp/990600ap/3069.html http://www.aafp.org/afp/990600ap/3069.html].</ref>
*Endometrial hyperplasia with atypia is usually treated with hysterectomy.<ref>URL: [http://www.aafp.org/afp/990600ap/3069.html http://www.aafp.org/afp/990600ap/3069.html].</ref>
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