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Inflammatory myopathy, also known as idiopathic inflammatory myopathy (IIM), is disease featuring muscle weakness, inflammation of muscles , and in some types, muscle pain . The cause of much inflammatory myopathy is unknown ( idiopathic ), and such cases are classified according to their symptoms and signs , electromyography , MRI , and ...
Dermatomyositis (DM) is a long-term inflammatory autoimmune disorder which affects the skin and the muscles. Its symptoms are generally a skin rash and worsening muscle weakness over time. These may occur suddenly or develop over months.
The three main types of idiopathic myositis (known as inflammatory myopathies) that typically test positive for autoantibodies are dermatomyositis, polymyositis, and inclusion body myositis. [4] Other autoimmune diseases, such as systemic lupus erythematosus, can also cause myositis-like symptoms. [4]
The Lupus Foundation of America estimates at least 1.5 million people are living with lupus in the United States. Symptoms may come and go, and can affect different organs in different people.
Lupus is Latin for "wolf", [154] [10] and in Medieval Latin was also used to refer to a disease of the skin, [155] and "erythematosus" is derived from ἐρύθημα, Ancient Greek for "redness of the skin". All explanations originate with the reddish, butterfly-shaped malar rash that the disease classically exhibits across the nose and cheeks.
Dermatomyositis: Skin and muscles: Anti-Jo1, Anti-Mi2, Anti-SRP, Anti-TIF1 Confirmed 9 in 1,000,000 [10] Discoid lupus erythematosus: Skin ANA, Anti-dsDNA, Anti-Sm Confirmed Part of SLE prevalence (20-150 per 100,000) [11] Epidermolysis bullosa acquisita: Skin Anti-type VII collagen Confirmed Extremely rare [12] Erythema nodosum: Skin None ...
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Gottron's sign is a pathognomonic cutaneous manifestation associated with dermatomyositis (DM), which is an inflammatory disorder affecting the skin and muscles. [1] The primary lesion of dermatomyositis appears as a violaceous, macular erythema with a symmetric distribution, which may progress and become poikilodermatous (atrophic with telangiectasia and pigmentary changes) and indurated (as ...