Hidradenitis suppurativa: epidemiological study of cases diagnosed at a dermatological reference center in the city of Bauru, in the Brazilian southeast State of São Paulo, between 2005 and 2015.

Background:: Hidradenitis is a chronic inflammatory disease of the hair follicles. A treatment is necessary due to chronicity and psychological changes that patient present.

Objective:: To investigate epidemiological aspects and elaborate a risk group profile, promote early diagnosis and contribute to the knowledge about the disease.