Other follicular disorders

Description

hidradenitis suppurativa: a common (though rarely diagnosed), chronic skin disease characterized by clusters of abscesses or subcutaneous boil-like "infections" (oftentimes free of actual bacteria) that most commonly affects apocrine sweat gland bearing areas, such as the underarms, under the breasts, inner thighs, groin and buttocks.The disease is not contagious. There are indications that it is hereditary among certain ethnic groups and autoimmune in nature. Onset is most common in the late teens and early 20's.

Data source
FinnGen phenocode L12_FOLICULAROTH
Hospital Discharge registry ICD-10: L73
Cause of Death registry ICD-10: L73
Include L12_ACNEKELOID, L12_PSEUDOFOLBARB, L12_HIDRADENITISSUP, L12_FOLLICULARNAS
Level in the ICD-hierarchy 3
First defined in version DF2
Ontology
DOID 2280, 2282
GWAS catalog 1000710
MESH D017497
SNOMED CT 59393003

Key figures

Sex All Female Male
Number of individuals 444 244 200
Unadjusted prevalence (%) 0.33 0.32 0.35
Mean age at first event (years) 44.39 42.4 46.83
Median number of events / individual 1 1 1

Clinical metrics

Sex All Female Male
Recurrence within 6 months (%) 38.29 36.89 40.0
Case fatality at 5-years (%) 0.9 0.41 1.5

Associations