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erythema marginatum

Etiology: - rheumatic fever* ; * Erythema marginatum is one of the diagnostic criteria for rheumatic fever * 10% of children with 1st attack of rheumatic fever [4] * overall, < 5% of patients with rheumatic fever [4] Clinical manifestations: - painless, itchless, macular, faintly red with a ring-like appearance (expanding edges with clearing at center) - lesions are generally limited to the trunk & proximal limbs - duration from hours to days * image [4]

General

erythema

References

  1. Internal Medicine, J Stein (ed), Little, Brown & Co, Boston, 1983, pg 1091
  2. Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed) Lippincott-Raven, Philadelphia, 1998, pg 173
  3. Medical Knowledge Self Assessment Program (MKSAP) 17, American College of Physicians, Philadelphia 2015
  4. Rashid RM, Barros BS (images) Hidden Heart Disease: 19 Dermatologic Clues You Should Know. Medscape. June 13, 2017. http://reference.medscape.com/slideshow/hidden-heart-disease-6004452