National Organization for Rare Disorders, Inc.
Pyoderma gangrenosum (PG) is an inflammatory skin disorder that is characterized by small, red bumps or blisters (papules or nodules) that eventually erode to form swollen open sores (ulcerations). The size and depth of the ulcerations vary greatly, and they are often extremely painful. In approximately 50 percent of cases, PG occurs secondary to another disorder such as inflammatory bowel disease. The exact cause of PG is unknown (idiopathic). Some researchers believe it may be an autoimmune disorder.
American Autoimmune Related Diseases Association, Inc.
22100 Gratiot Ave.
Eastpointe, MI 48021
Crohn's and Colitis Foundation of America
386 Park Avenue South
New York, NY 10016-7374
NIH/National Institute of Arthritis and Musculoskeletal and Skin Diseases
One AMS Circle
Bethesda, MD 20892-3675
Erythema Nodosum Yahoo Support Group
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
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Last Updated: 3/19/2012
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