Yes, it is possible to find Trichomonas vaginalis in urine samples. However, there are more appropriate specimens for diagnosis that will provide better sensitivity. Vaginal or cervical swabs are recommended for female patients while urethral swabs are recommended for male patients.
Yes of course, but it is preferable to take vaginal swabs by a specialist
Urine would not normally be the specimen of choice. However, Trichomonas vaginalis DNA can be detected in urine in a high percentage of cases by molecular techniques. See:
http://www.tandfonline.com/doi/full/10.1080/14737159.2017.1282823
I have found T. vaginalis more in urine sample than vaginal sawab. It is a resistant prozoan and after mixing with methylene blue in urine sample I found it as a motile state after several minutes
Whether or not one will detect Trichomonas vaginalis in urine microscopically will depend either on luck or on how many organisms are present.
Please have a look at these links and PDF attachment.
https://www.researchgate.net/publication/6859285_Viability_of_Trichomonas_vaginalis_in_Urine_Epidemiologic_and_Clinical_Implications
https://www.researchgate.net/publication/51407477_Two_Unusual_Occurrences_of_Trichomoniasis_Rapid_Species_Identification_by_PCR
https://www.researchgate.net/publication/236907179_Performance_of_the_OSOM_Trichomonas_Rapid_Test_for_diagnosis_of_Trichomonas_vaginalis_infection_among_women_in_Mysore_India
Article Viability of Trichomonas vaginalis in Urine: Epidemiologic a...
Article Two Unusual Occurrences of Trichomoniasis: Rapid Species Ide...
Article Performance of the OSOM Trichomonas Rapid Test for diagnosis...
Yes of course, but the pap smear from vaginal is the best for diagnosis
Of course depending on the group of people you work with, you may find high prevalences of Trichomonas vaginalis, such as sex workers in urine samples. A cytological specimen for Papanicolou staining increases the likelihood of detecting Trichomonas vaginalis.
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