Malar rash

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Malar rash
Malar Rash (SLE).jpg
Malar rash (butterfly rush) in patient with SLE

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]


Malar rash, also called butterfly rash, is a medical sign consisting of a characteristic form of facial rash. It is often seen in Lupus erythematosus. Malar is the Latin for "cheek".

The malar rash of lupus is red or purplish and mildly scaly. Characteristically, it has the shape of a butterfly and involves the bridge of the nose.

Epidemiology and Demographics

A malar rash is present in approximately 46-65% of lupus sufferers and varies between different populations.[1][2][3]

Diagnosis

Common Causes

There are numerous other conditions which can cause rashes with a similar appearance. Where lupus is suspected further medical tests (usually an ANA) and a detailed history are necessary to differentiate it from other conditions.

References

  1. Houman M, Smiti-Khanfir M, Ben Ghorbell I, Miled M (2004). "Systemic lupus erythematosus in Tunisia: demographic and clinical analysis of 100 patients". Lupus. 13 (3): 204–11. PMID 15119551.
  2. Houman M, Smiti-Khanfir M, Ben Ghorbell I, Miled M (2004). "Systemic lupus erythematosus in Tunisia: demographic and clinical analysis of 100 patients". Lupus. 13 (3): 204–11. PMID 15119551.
  3. Vilá L, Alarcón G, McGwin G, Friedman A, Baethge BReveille, Bastian H, Fessler B, cal mani J (2004). "Early clinifestations, disease activity and damage of systemic lupus erythematosus among two distinct US Hispanic subpopulations". Rheumatology (Oxford). 43 (3): 358–63. PMID 14623949.

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