Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While frequently associated with bacterial endocarditis, in this case, they are the result of an infected radial artery aneurysm (inflamed area proximal to thumb). Photo credit, Josh Fierer, M.D. Charlie Goldberg, M.D. - UCSD Catalog of Clinical Images #Clinical #Photo #Dermatology #SkinRash #Janeway #Lesions #Endocarditis #UCSDH