Hidradenitis Suppurativa: A Frequently Missed Diagnosis, Part 1: A Review of Pathogenesis, Associations, and Clinical Features.

PURPOSE To provide information about the etiology, diagnostic evaluations, and clinical features of hidradenitis suppurativa (HS). TARGET AUDIENCE This continuing education activity is intended for physicians and nurses with an interest in skin and wound care. OBJECTIVES After participating in this educational activity, the participant should be better able to:1. Identify the prevalence, pathophysiology, and risk factors associated with HS.2. Describe diagnostic evaluations, staging, and comorbid disorders associated with HS. Hidradenitis Suppurativa (HS) is a recurrent inflammatory follicular disease that commonly affects the apocrine-bearing skin. The aim of this continuing education article is to review the pathogenesis and clinical presentations of HS. The spectrum of clinical presentations ranges from subcutaneous nodules to draining sinus and fistula. The pathogenesis of HS remains unknown.