Pyoderma Gangrenosum - a Challenging Diagnostic Approach.

Pyoderma gangrenosum (PG) is an infrequent, aseptic neutrophilic dermatosis that can be observed in patients with systemic diseases such as inflammatory bowel disease or rheumatic disorders. Due to its rare entity, PG often constitutes a diagnostic enigma, as it simulates other skin disorders. Typically, it is displayed as painful, ulcerative lesions localized to the lower extremities.