Janeway lesion

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.

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They are named after Edward G. Janeway (1872–1917), a professor of medicine with interests in cardiology and infectious disease.^[1]

See also

• Osler's nodes
• Roth's spots

References

1. ^ Janeway C (1998). "Presidential Address to The American Association of Immunologists. The road less traveled by: the role of innate immunity in the adaptive immune response". J. Immunol. 161 (2): 539-44. PMID 9670925.