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==

Revision as of 11:06, 29 May 2014

Hidradenitis suppurativa, also known as acne inversa,[1] is a benign skin condition.

General

  • Uncommon - <1% of population.[2]
  • Onset usually after puberty and before 40 years old.[3]

May be associated with:[1]

Gross

Features:

  • Location - classically intertriginous areas.[4]
    • Axilla, buttocks, groin, inner thighs, breast (inframammary fold).

Microscopic

Features:[3]

  • Apocrine ducts plugged by keratin and dilated - key feature.
  • +/-Bacteria and inflammation in the congested ducts.
  • +/-Fibrosis (late).

Images:

See also

References

  1. 1.0 1.1 Dessinioti C, Katsambas A, Antoniou C (2014). "Hidradenitis suppurrativa (acne inversa) as a systemic disease". Clin. Dermatol. 32 (3): 397–408. doi:10.1016/j.clindermatol.2013.11.006. PMID 24767187.
  2. McMillan K (May 2014). "Hidradenitis Suppurativa: Number of Diagnosed Patients, Demographic Characteristics, and Treatment Patterns in the United States". Am. J. Epidemiol.. doi:10.1093/aje/kwu078. PMID 24812161.
  3. 3.0 3.1 Radcliffe KW (February 1991). "Hidradenitis suppurativa". Genitourin Med 67 (1): 58. PMC 1194617. PMID 1916780. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1194617/.
  4. Scheinfeld N (2013). "Hidradenitis suppurativa: A practical review of possible medical treatments based on over 350 hidradenitis patients". Dermatol. Online J. 19 (4): 1. PMID 24021361.