Peristomal pyoderma gangrenosum in a patient with chronic ulcerative colitis: Case report

Introduction: Peristomal pyoderma gangrenosum (PPG) is a rare subtype of pyoderma gangrenosum that could be difficult to diagnose and treat. A painful necrotic ulcer surrounding an area of abdominal stoma with rapidly progression is the clinical hallmark. It is almost exclusively associated with inflammatory bowel disease (IBD). In this report, we present a 63-year-old man previously diagnosed of chronic ulcerative colitis (CUC) that develop a peristomal pyoderma gangrenosum 2 years after surgery.