Janeway lesion
n.
A small erythematous or hemorrhagic lesion seen in some cases of bacterial endocarditis, usually on the palm or the sole.
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A small erythematous or hemorrhagic lesion seen in some cases of bacterial endocarditis, usually on the palm or the sole.
Janeway lesions are non-tender, small erythematous or haemorrhagic macules or nodules in the palms or soles, which are pathognomonic of infective endocarditis. The pathology is due to a type III hypersensitivity reaction.
They are named after Edward G. Janeway (1872–1917), a professor of medicine with interests in cardiology and infectious disease.[1]
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