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Janeway spot or lesion (smoke ring)

Etiology: - one of the signs of endocarditis - may also be seen in mycotic aneurysm Pathology: - causative organisms have been isolated from lesions Clinical manifestations: - they are irregular, erythematous, flat, painless macules (smoke rings) of the palms, soles, thenar eminence & hypothenar eminence of the hands, tips of fingers, & plantar surfaces of the toes - they occur rarely in a diffuse rash - in acute endocarditis, the lesions may be hemorrhagic or purple. * images [3,4]

Related

Janeway, Edward G

General

sign/symptom abnormal morphologic structure (malformation) lesion

References

  1. DeGowin & DeGowin's Diagnstic Examination, 6th edition, RL DeGowin (ed), McGraw Hill, NY 1994, pg 670
  2. Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
  3. Rashid RM, Barros BS (image) Hidden Heart Disease: 19 Dermatologic Clues You Should Know. Medscape. June 13, 2017. http://reference.medscape.com/slideshow/hidden-heart-disease-6004452
  4. Elkston CA, Elkston DM Bacterial Skin Infections: More Than Skin Deep. Medscape. July 19, 2021 https://reference.medscape.com/slideshow/infect-skin-6003449