Scleroderma laboratory findings: Difference between revisions

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{{Scleroderma}}
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==Overview==
==Overview==
Specific laboratory findings consistent with the diagnosis of scleroderma include: Anti-Scl-70 [[antibody]] ([[Topoisomerase I]]), anti-centromere [[antibody]] ([[CREST syndrome]]), [[Anti-nuclear antibody|anti-nuclear antibody (ANA)]], anti-RNA polymerase III [[antibody]], anti-U1-RNP [[antibody]].
==Laboratory Findings==
==Laboratory Findings==
Diagnosis is by clinical suspicion, presence of autoantibodies (specifically [[anti-centromere antibodies|anti-centromere]] and anti-scl70/[[anti-topoisomerase antibodies]]) and occasionally by biopsy. Of the antibodies, 90% have a detectable [[anti-nuclear antibody]]. Anti-centromere antibody is more common in the limited form (80-90%) than in the systemic form (10%), and anti-scl70 is more common in the diffuse form (30-40%) and in African-American patients (who are more susceptible to the systemic form).<ref name=JimenezDerk>{{cite journal |author=Jimenez SA, Derk CT |title=Following the molecular pathways toward an understanding of the pathogenesis of systemic sclerosis |journal=Ann. Intern. Med. |volume=140 |issue=1 |pages=37-50 |year=2004 |pmid=14706971 |doi=}}</ref>
Laboratory findings consistent with the diagnosis of scleroderma include:<ref name="pmid6155920">{{cite journal |vauthors=Tan EM, Rodnan GP, Garcia I, Moroi Y, Fritzler MJ, Peebles C |title=Diversity of antinuclear antibodies in progressive systemic sclerosis. Anti-centromere antibody and its relationship to CREST syndrome |journal=Arthritis Rheum. |volume=23 |issue=6 |pages=617–25 |date=June 1980 |pmid=6155920 |doi= |url=}}</ref>
 
*Anti-Scl-70 [[antibody]] ([[Topoisomerase I]])
*Anti-centromere [[antibody]] ([[CREST syndrome]])<ref name="pmid6384675">{{cite journal |vauthors=Powell FC, Winkelmann RK, Venencie-Lemarchand F, Spurbeck JL, Schroeter AL |title=The anticentromere antibody: disease specificity and clinical significance |journal=Mayo Clin. Proc. |volume=59 |issue=10 |pages=700–6 |date=October 1984 |pmid=6384675 |doi= |url=}}</ref>
*[[Anti-nuclear antibody|Anti-nuclear antibody (ANA)]]
*Anti-RNA polymerase III [[antibody]]
*Anti-U1-RNP [[antibody]]
==References==
==References==
{{Reflist|2}}
{{Reflist|2}}


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Latest revision as of 00:05, 30 July 2020

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: M. Khurram Afzal, MD [2]

Overview

Specific laboratory findings consistent with the diagnosis of scleroderma include: Anti-Scl-70 antibody (Topoisomerase I), anti-centromere antibody (CREST syndrome), anti-nuclear antibody (ANA), anti-RNA polymerase III antibody, anti-U1-RNP antibody.

Laboratory Findings

Laboratory findings consistent with the diagnosis of scleroderma include:[1]

References

  1. Tan EM, Rodnan GP, Garcia I, Moroi Y, Fritzler MJ, Peebles C (June 1980). "Diversity of antinuclear antibodies in progressive systemic sclerosis. Anti-centromere antibody and its relationship to CREST syndrome". Arthritis Rheum. 23 (6): 617–25. PMID 6155920.
  2. Powell FC, Winkelmann RK, Venencie-Lemarchand F, Spurbeck JL, Schroeter AL (October 1984). "The anticentromere antibody: disease specificity and clinical significance". Mayo Clin. Proc. 59 (10): 700–6. PMID 6384675.

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