Medical Pharmacology Chapter 35  Antibacterial Drugs

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Trichomonas vaginalis

  • "Trichomonas vaginalis, PAP smear.

  • Trichomonas vaginalis is perhaps the most common protozoon you will see clinically.

  • Several trophozoites are seen in this photomicrograph (arrows).

    •  The trophs are 5-30 micrometers in diameter.

    •  Giemsa staining would reveal 4 flagellae, which makes the organism motile in wet preps, and thus aids identification.

    •  Numerous Gram-negative bacteria are also seen in the photomicrograph.

    • This is fairly typical, as T. vaginalis often coexists with other vaginal infections, such as Gardnerella.

    • Transmission is primarily via sexual contact.

    • Asymptomatic infection can occur in both males and females, so it is important to treat all sexual partners when the diagnosis is made in a symptomatic individual."

  • 1999- KUMC Pathology and the University of Kansas, used with permission; courtesy of Dr. James Fishback, Department of Pathology, University of Kansas Medical Center.

 

 

 

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