Fast Five Quiz: How Much Do You Know About Systemic Lupus Erythematosus?

Herbert S. Diamond, MD

Disclosures

November 03, 2015

The most specific antibody for SLE is the anti-Smith antibody; however, the sensitivity is only 30%-40%. Antinuclear antibody (ANA) is used for screening and has a sensitivity of 95%. Anti-Ro antibodies are present in 15% of patients with SLE and other connective tissue diseases. Anti-dsDNA antibodies have a high specificity, but a sensitivity of only 70%. Drug-induced lupus ANA antibodies are usually antihistone.

For more on the workup of SLE, read here.

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