Laboratory diagnosis of STIs

Sarah Alexander*, Jennifer Tosswill, Catherine A. Ison

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

The laboratory plays a central role in the accurate diagnosis of sexually transmitted infections (STIs). In countries with sufficient resources the laboratory is usually involved in providing a result to inform individual patient management. By contrast, in resource-poor countries where patients are often treated according to their presenting symptoms (syndromic management), the laboratory has a role in evaluating this approach. Molecular detection of the causative agents of STIs, such as Neisseria gonorrhoeae, Chlamydia trachomatis and herpes simplex virus, using highly sensitive and specific tests, is beginning to or has replaced classical culture techniques. The detection of the host's antibody response to the infecting agent is still the mainstay for the diagnosis of syphilis and human immunodeficiency virus. In some instances a combination of detection of antigen and antibody are used. In the United Kingdom, where a unique network of open-access specialized clinics exists, some laboratory procedures are performed in a clinic laboratory setting and this is particularly useful for common causes of vaginitis that can be diagnosed using a microscope. This article gives the current methodology employed for the major causes of bacterial and viral STIs.

Original languageEnglish
Pages (from-to)242-244
Number of pages3
JournalMedicine (United Kingdom)
Volume38
Issue number5
DOIs
Publication statusPublished - May 2010

Keywords

  • bacterial vaginosis
  • Chlamydia trachomatis
  • herpes simplex virus
  • human immunodeficiency virus
  • laboratory
  • lymphogranuloma venereum
  • Neisseria gonorrhoeae
  • syphilis
  • Treponema pallidum
  • Trichomonas vaginalis

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