Epidemiology
Incidence of DM peaks at ages 40–50, but the disease can affect people of all ages. It tends to affect more women than men. The prevalence of DM ranges from one to 22 per 100,000 people. History
The diagnostic criteria were proposed in 1975 and became widely adopted. Amyopathic DM, also called DM sine myositis, was named in 2002. People who died with dermatomyositis
Opera singer Maria Callas (1923–1977) allegedly had dermatomyositis from 1975 until her death. Actor Laurence Olivier (1907–1989) had dermatomyositis from 1974 until his death. American football running back Ricky Bell (1955–1984), the runner-up for the Heisman Trophy in 1976, and the number-one pick in the NFL draft in 1977, died at the age of 29 from heart failure caused by this disease. Rob Buckman (1948–2011) a doctor, comedian, author, and the president of the Humanist Association of Canada. Research
As of 2016, research was ongoing into causes for DM, as well as biomarkers;  clinical trials were ongoing for use of the following drugs in DM: ajulemic acid (Phase II), adrenocorticotropic hormone gel (Phase IV, open label), IMO-8400, an antagonist of Toll-like receptor 7,8 and 9 (Ph II), abatacept (Phase IV, open label), and sodium thiosulfate (Phase II). References

 This article incorporates public domain material from NINDS Dermatomyositis Information Page. United States Department of Health and Human Services. Retrieved 12 December 2016. == External links ==
Glomeruloid hemangioma is a distinctive vascular tumor first described in 1990 when found to be associated with POEMS syndrome and Castleman disease. : 595

See also
List of cutaneous conditions


== References ==