RT Book, Section A1 Wolff, Klaus A1 Johnson, Richard Allen A1 Saavedra, Arturo P. A1 Roh, Ellen K. SR Print(0) ID 1140789521 T1 NEUTROPHIL-MEDIATED DISEASES T2 Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, 8e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259642197 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1140789521 RD 2024/04/25 AB PG is an idiopathic, either acute or chronic, severely debilitating skin disease.It is characterized by neutrophilic infiltration, destruction of tissue, and ulceration.It occurs most commonly in association with a systemic disease, especially arthritis, inflammatory bowel disease, hematologic dyscrasias, and malignancy, but may also occur alone.Characterized by the presence of painful, irregular, boggy, blue-red ulcers with undermined borders and purulent necrotic bases.There is no laboratory test that establishes the diagnosis.The mainstays of treatment are immune-suppressive or -modulating agents.Relapses occur in most patients and there is significant morbidity.