Gulliver's sign: A recognizable transition from inflammatory to healing stages of pyoderma gangrenosum

摘要

Background: Pyoderma gangrenosum (PG) often necessitates long-term immunosuppressant therapy. Many patients may receive treatment for longer periods and higher doses than is clinically necessary because clinicians may have difficulty differentiating between active disease and an inactive residual ulcer that is often slow to heal.