Peripheral ulcerative keratitis secondary to severe hidradenitis suppurativa.

Purpose: To describe a unique case of peripheral ulcerative keratitis secondary to isolated, severe hidradenitis suppurativa (HS).

Observation: A 31-year-old male with HS presented with a red painful right eye with best corrected visual acuity of count fingers at 3 feet with peripheral corneal thinning, inferior descemetocele, and adjacent infiltrate. Work-up revealed negative corneal cultures and positive ANA, ANCA, and rheumatoid factor without other autoimmune or rheumatologic history or symptomatology.