Pyoderma gangrenosum

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Risk factors

By Mayo Clinic staff

Pyoderma gangrenosum is most common in people in their 40s and 50s, but can occur at any age. It's also associated with inflammatory conditions, including:

  • Ulcerative colitis. This disease of the large intestine causes chronic inflammation of your large intestine.
  • Crohn's disease. Like ulcerative colitis, Crohn's disease causes long-term inflammation that can occur anywhere along your digestive tract.
  • Rheumatoid arthritis. Rheumatoid arthritis refers to a condition in which the thin membranes surrounding your joints become irritated and inflamed.
  • Hepatitis. This condition causes your liver to become inflamed. The cause of hepatitis may be a virus or a disorder of your immune system.
References
  1. Pyoderma gangrenosum. The Merck Manuals Online: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/sec10/ch117/ch117h.html. Accessed April 21, 2010.
  2. Peppercorn MA. Skin and eye manifestations of inflammatory bowel disease. http://www.uptodate.com/home/index.html. Accessed April 8, 2010.
  3. Habif TP. Hypersensitivity syndromes and vasculitis. In: Habif TP. Clinical Dermatology. 5th ed. Philadelphia, Pa.: Mosby; 2009. http://www.mdconsult.com/book/player/book.do?method=display&type=bookPage&decorator=header&eid=4-u1.0-B978-0-7234-3541-9..00027-4--s0815&uniq=196584586&isbn=978-0-7234-3541-9&sid=986856689. Accessed April 21, 2010.
  4. Cohen PR. Neutrophilic dermatoses: A review of current treatment options. American Journal of Clinical Dermatology. 2009:10:301.
  5. Moschella SL. Neutrophilic dermatoses. http://www.uptodate.com/home/index.html. Accessed April 21, 2010.
DS00723 June 12, 2010

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