Difference between revisions of "Hidradenitis suppurativa"
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==General== | ==General== | ||
*Uncommon - <1% of population.<ref name=pmid24812161>{{cite journal |author=McMillan K |title=Hidradenitis Suppurativa: Number of Diagnosed Patients, Demographic Characteristics, and Treatment Patterns in the United States |journal=Am. J. Epidemiol. |volume= |issue= |pages= |year=2014 |month=May |pmid=24812161 |doi=10.1093/aje/kwu078 |url=}}</ref> | *Uncommon - <1% of population.<ref name=pmid24812161>{{cite journal |author=McMillan K |title=Hidradenitis Suppurativa: Number of Diagnosed Patients, Demographic Characteristics, and Treatment Patterns in the United States |journal=Am. J. Epidemiol. |volume= |issue= |pages= |year=2014 |month=May |pmid=24812161 |doi=10.1093/aje/kwu078 |url=}}</ref> | ||
*Onset usually after puberty and before 40 years old.<ref name=pmid1916780>{{cite journal |author=Radcliffe KW |title=Hidradenitis suppurativa |journal=Genitourin Med |volume=67 |issue=1 |pages=58 |year=1991 |month=February |pmid=1916780 |pmc=1194617 |doi= |url=}}</ref> | |||
May be associated with:<ref name=pmid24767187/> | May be associated with:<ref name=pmid24767187/> | ||
*[[Crohn's disease]]. | *[[Crohn's disease]]. | ||
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*Location - classically intertriginous areas.<ref>{{cite journal |author=Scheinfeld N |title=Hidradenitis suppurativa: A practical review of possible medical treatments based on over 350 hidradenitis patients |journal=Dermatol. Online J. |volume=19 |issue=4 |pages=1 |year=2013 |pmid=24021361 |doi= |url=}}</ref> | *Location - classically intertriginous areas.<ref>{{cite journal |author=Scheinfeld N |title=Hidradenitis suppurativa: A practical review of possible medical treatments based on over 350 hidradenitis patients |journal=Dermatol. Online J. |volume=19 |issue=4 |pages=1 |year=2013 |pmid=24021361 |doi= |url=}}</ref> | ||
**Axilla, buttocks, groin, inner thighs, breast (inframammary fold). | **Axilla, buttocks, groin, inner thighs, breast (inframammary fold). | ||
==Microscopic== | |||
Features:<ref name=pmid1916780/> | |||
*Apocrine ducts plugged by keratin and dilated - '''key feature'''. | |||
*+/-Bacteria and inflammation in the congested ducts. | |||
*+/-Fibrosis (late). | |||
Images: | |||
*[http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2237-93632012000200018#fig5 HS (scielo.br)]. | |||
==See also== | ==See also== | ||