Empiric Treatment of Classical Pyoderma Gangrenosum in the Outpatient Setting: A Case Report.

Pyoderma gangrenosum (PG) is a rare neutrophilic disorder that typically presents as painful, ulcerative lesions. It is a diagnosis of exclusion and is oftentimes associated with systemic conditions such as inflammatory bowel disease, rheumatoid arthritis, and other inflammatory conditions. PG remains difficult to diagnose, and a delay in recognizing the disease can contribute to appreciable morbidity in the population.