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Genetic and Rare Diseases Information Center (GARD)


Other names people use for this condition
  • ADM
  • Dermatomyositis sine myositis



Amyopathic dermatomyositis
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Amyopathic dermatomyositis is a form of dermatomyositis characterized by the presence of typical skin findings without muscle weakness.[1][2] Some of the skin changes that suggest dermatomyositis include a pink rash on the face, neck, forearms and upper chest; Gottron's papules and heliotrope eyelids.[2][3][4] Pruritis and photosensitivity are common, as is scalp inflammation and thinning of the hair.[2][3] While patients with amyopathic dermatomyositis should not have clinically evident muscle weakness, minor muscle abnormalities may be included. Fatigue is reported in at least 50% of patients.[2] Some cases have been associated with internal malignancy and/or interstitial lung disease.[5] Treatment may include sun avoidance, ample use of sunscreen, topical corticosteroids, antimalarial agents, methotrexate, mycophenolate mofetil, or intravenous (IV) immunoglobulin.[1]


References
  1. Callen JP. Dermatomyositis. Medscape Reference. October 2011 Available at: http://emedicine.medscape.com/article/332783-overview. Accessed January 10, 2013.
  2. Olsen NJ, Park JH, King LE Jr. Amyopathic dermatomyositis. Curr Rheumatol Rep. Aug 2001;:. Available at: http://www.ncbi.nlm.nih.gov/pubmed/11470054. January 10, 2012.
  3. Dermatomyositis. DermNet NZ. 2011 Available at: http://www.dermnetnz.org/immune/dermatomyositis.html. Accessed January 10, 2013.
  4. Saoud B, Allali F, Hassouni NH. Amyopathic dermatomyositis. Joint Bone Spine. May 2006;:. Available at: http://www.ncbi.nlm.nih.gov/pubmed/16253536. January 10, 2013.
  5. Sato S, Kuwana M. Clinically amyopathic dermatomyositis. Curr Opin Rheumatol. Nov 2010;:. Available at: http://www.ncbi.nlm.nih.gov/pubmed/20827200. January 10, 2013.
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