We found that the systematic use of Delphi consensus diagnostic criteria resulted in substantial changes in management patterns in cases of suspected pyoderma gangrenosum (PG), including a reduction in systemic corticosteroid use, and significantly improved clinical outcomes. This improvement may have resulted from a combination of reduced misdiagnosis, optimized management and reduced iatrogenic harm. Increased utilization of validated diagnostic criteria for PG could optimize provider heuristics, increase diagnostic accuracy, and optimize management and clinical outcomes.
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