[ der-mat-uh-mahy-uh-sahy-tis, dur-muh-toh- ]
/ dərˌmæt əˌmaɪ əˈsaɪ tɪs, ˈdɜr mə toʊ- /

noun Pathology.

an inflammatory disease of connective tissues, manifested by skin inflammation and muscle weakness.

Origin of dermatomyositis

1895–1900; dermato- + myositis inflammation of muscle tissue, irregular < Greek myós (genitive of mŷs muscle, mouse) + -itis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for dermatomyositis


[ dûr′mə-tō-mī′ə-sītĭs ]


A progressive inflammatory condition characterized by muscular weakness, a skin rash, and edema of the eyelids and periorbital tissue.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.