Hidradenitis Suppurativa.

A 66-year-old obese (BMI 34) diabetic man, a former smoker who had quit 4 months ago, had a 20-year history of perianal, inguinal, and gluteal hidradenitis suppurativa. He presented to the office with persistent perianal and gluteal inflammation and drainage. He had had various surgical excisions of the affected area over the preceding 10 years. The patient was also following up with dermatology and was previously on doxycycline and infliximab with little improvement in his symptoms. On physical examination of his gluteal and perianal region, he had multiple areas of scarring and draining sinus tracts with significant induration ( and ). The patient underwent extensive unroofing of the sinus tracts and excision of active disease ().(Figure is included in full-text article.)(Figure is included in full-text article.)(Figure is included in full-text article.).