Skin & Subcutaneous Tissue

{"ops":[{"insert":"Erythema marginatum, migrans, multiforme, and nodosum"},{"insert":"\n","attributes":{"header":1}},{"insert":"Erythema means \u0022reddening of the skin or mucous membranes\u0022. There are several important rashes that incorporate this term as a prefix.\r\n\r\nErythema marginatum presents as painless non-pruritic lesions with a clear center and serpiginous edges. It is a rare but pathognomonic feature of acute rheumatic fever (ARF).\r\n\r\nErythema migrans presents as asymptomatic or itchy pink rings. It is classically associated with Lyme disease.\r\n\r\nErythema multiforme is characterized by lesions with a dark red center and surrounding paler ring, giving them a \u0022bulls-eye\u0022 appearance. It is associated with immune reactions to infectious or pharmacologic antigens.\r\n\r\nErythema nodosum appears as red rounded painful nodules. It is a manifestation of inflammation of t"}]}

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