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Antisynthetase syndrome (ASS) is a multisystematic autoimmune disease associated with inflammatory myositis, interstitial lung disease, and antibodies directed against various synthetases of aminoacyl-transfer RNA. [3] Other common symptoms include mechanic's hands, Raynaud's phenomenon, arthritis, and fever. [4]
Dermatomyositis is a form of systemic connective tissue disorder, a class of diseases that often involves autoimmune dysfunction. [12] [16] It has also been classified as an idiopathic inflammatory myopathy, along with polymyositis, necrotizing autoimmune myositis, cancer-associated myositis, and sporadic inclusion body myositis. [17]
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 ...
However, some autoimmune diseases may present with more specific symptoms such as joint pain, skin rashes (e.g., urticaria), or neurological symptoms. The exact causes of autoimmune diseases remain unclear and are likely multifactorial, involving both genetic and environmental influences. [7]
This article provides a list of autoimmune diseases. These conditions, where the body's immune system mistakenly attacks its own cells, affect a range of organs and systems within the body. Each disorder is listed with the primary organ or body part that it affects and the associated autoantibodies that are typically found in people diagnosed ...
Psoriatic arthritis (PsA) is a long-term inflammatory arthritis that occurs in people affected by the autoimmune disease psoriasis. [1] [2] The classic feature of psoriatic arthritis is swelling of entire fingers and toes with a sausage-like appearance ("sausage digit"). [3]
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: an inflammatory disease of skin and muscle marked especially by muscular weakness and skin rash. Scleroderma is a connective tissue disease that causes fibrosis and vascular abnormalities, but that also has an autoimmune component, and can include connective tissues complications.