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Causes
By Mayo Clinic staffThe cause of granuloma annulare is unknown.
Granuloma annulare is occasionally associated with diabetes mellitus and other diseases, though most often when lesions are numerous or generalized. Most people with granuloma annulare are otherwise healthy.
References
- Granuloma annulare. American Academy of Dermatology. http://www.aad.org/public/publications/pamphlets/common_granuloma.html. Accessed April 25, 2010.
- Granuloma annulare. American Osteopathic College of Dermatology. http://www.aocd.org/skin/dermatologic_diseases/granuloma_annulare.html. Accessed April 25, 2010.
- Prendiville JS. Granuloma annulare: Introduction. In: Wolff K, et al. Fitzpatrick's Dermatology in General Medicine. 7th ed. New York, N.Y.: The McGraw-Hill Companies; 2008. http://www.accessmedicine.com/content.aspx?aID=2959059&searchStr=granuloma+annulare#2959059. Accessed April 26, 2010.
- Granuloma annulare. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/sec10/ch117/ch117g.html. Accessed April 25, 2010.
- Popovich D, et al. Accurately diagnosing commonly misdiagnosed circular rashes. Dermatology Nursing. 2008;20:294.
- Borfitz JM. Commonly missed dermatologic conditions. Nurse Practitioner. 2009;34:35.
- Gibson LE (expert opinion). Mayo Clinic, Rochester, Minn. April 29, 2010.
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