Rapid Plasma Reagin

Aka: Rapid Plasma Reagin, RPR

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II. Indication

  1. Syphilis Detection

III. Background

  1. Non-Treponemal Test (Syphilis Serology)

IV. Efficacy: Test Sensitivity to untreated Syphilis

  1. Primary Stage (Chancre stage)
    1. After one week: 30%
    2. After three weeks: 90%
  2. Secondary Stage: 100%
  3. Tertiary Stage: 90%
  4. Latent Stage: may be unreactive

V. Interpretation: Negative

  1. Normal

VI. Interpretation: Positive

  1. See Syphilis False Positive Test
  2. Syphilis RPR positive test will be returned with titer (e.g. 1:16)
    1. After treatment, by 6 months, RPR should fall by a factor of 4 (e.g. 1:4)
    2. On subsequent infection, expect the RPR titer to once again rise

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Ontology: Rapid Plasma Reagin Measurement (C0201405)

Definition (NCI) The determination of the antibodies produced by cellular damage caused by Treponema pallidum present in a sample.
Definition (NCI_CDISC) A measurement of the antibodies produced by cellular damage caused by Treponema pallidum (syphilis) in a biological specimen.
Concepts Laboratory Procedure (T059)
SnomedCT 19869000
LNC LP70657-9
English Rapid Plasma Reagin Measurement, RPR, rapid plasma reagin (rpr) test, rapid plasma reagin test, Rapid Plasma Reagin, Rapid plasma reagin test, RPR test, Rapid plasma reagin test (procedure)
Spanish RPR, Prueba de reagina plasmática rápida, prueba RPR, prueba de la reagina plasmática rápida (procedimiento), prueba de la reagina plasmática rápida
Portuguese RPR, Prova de reagina plasmática rápida
French Test RPR (test rapide de la réagine plasmatique), Test rapide de la réagine plasmatique
German RPR Test, schnelles Plasma Reagin-Test
Czech Rychlá reaginová reakce, RRR
Italian Test rapido per reagine plasmatiche
Dutch rapid plasma reagine test, RPR
Japanese 血漿レアギン迅速試験, RPR, ＲＰＲ, ｹｯｼｮｳﾚｱｷﾞﾝｼﾞﾝｿｸｼｹﾝ
Hungarian Plazma reagin gyorsteszt, RPR
Derived from the NIH UMLS (Unified Medical Language System)

Related Topics in Pathology and Laboratory Medicine

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