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Anti-ribonucleoprotein AntibodyAka: Anti-RNP Antibody, Anti-U1 snRNP Antibody, Ribonucleoprotein Antibody, Anti-RNP, Anti-U1 snRNP

See Also
1. Antinuclear Antibody
Negative
1. Normal
Positive (percentage refers to sensitivity)
1. Systemic Lupus Erythematosus (30-40%)
  1. Correlates with disease activity
2. Rheumatoid Arthritis (10%)
3. Sjogren's Syndrome (15%)
4. Mixed Connective Tissue Disease (95%)
5. Systemic Sclerosis (30%)
6. Drug Induced Lupus (<5%)
References
1. Gladman in Klippel (1997) Rheumatic Diseases p. 255-6
2. Peng in Ruddy (2001) Kelley's Rheumatology, p. 161-72
3. Callegari (1995) Postgrad Med 97(4):65
4. Lane (2002) Am Fam Physician 65(6):1073

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