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Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
Sneddon's syndrome is a progressive, noninflammatory arteriopathy leading to the characteristic skin condition and to cerebrovascular problems, including stroke, transient ischemic attack (TIA), severe but transient neurological symptoms thought to be caused by cerebral vasospasm, coronary disease and early-onset dementia.
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.
Connective tissue diseases are caused by a complex array of autoimmune responses that target or affect collagen or ground substance. [35] [43] Acute cutaneous lupus erythematosus; Atrophoderma of Pasini and Pierini (dyschromic and atrophic variation of scleroderma, morphea plana atrophica, sclérodermie atrophique d'emblée)
Cutis marmorata telangiectatica congenita (CMTC) is a rare congenital vascular disorder that usually manifests in affecting the blood vessels of the skin. The condition was first recognized and described in 1922 by Cato van Lohuizen, [2] a Dutch pediatrician whose name was later adopted in the other common name used to describe the condition – Van Lohuizen syndrome.
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]
You might associate autoimmune conditions with symptoms like skin disease, chronic pain, and fatigue. A less-discussed symptom of autoimmune diseases? Hair loss.
Dermatomyositis is an autoimmune disorder featuring both humoral and T-cell autoimmune processes. [3] Dermatomyositis may develop as a paraneoplastic syndrome associated with several forms of malignancy. [4] It is known to be associated with several viruses, especially coxsackievirus, but no definitive causal link has been found. [3]