Trichomoniasis Flashcards Preview

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Flashcards in Trichomoniasis Deck (48)
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1

What is trichomoniasis?

A curable sexually transmitted infection caused by the protozoan trichomonas vaginalis (TV)

2

How common is trichomoniasis?

The most common curable STI worldwide

3

What is happening to the incidence and prevalence of trichomoniasis?

Decreasing

4

How does the incidence of trichomoniasis in the UK compare to worldwide statistics?

Less common - 7000 cases in 2016

5

What age group is trichomoniasis most common in?

Under 25s

6

Which ethnic group is trichomoniasis most common in?

Black

7

How is trichomonas vaginalis transmitted?

- Vaginal sexual intercourse
- Rarely vertical transmission at delivery

8

Is trichomonas vaginalis spread through oral or anal sex?

No

9

What type of organism is trichomonas vaginalis?

Anaerobic flagellated protozoan

10

Does trichomonas vaginalis affect males or females?

Both

11

Where can trichomonas vaginalis infect in women?

- Urethra
- Vagina
- Paraurethral glands

12

Where can trichomonas vaginalis affect in men?

- Urethra
- Underneath foreskin

13

What site is most commonly affected by trichomonas vaginalis?

Urethra

14

How many sites are often affected by trichomonas vaginalis?

More than one

15

How does trichomonas vaginalis affect the site it colonises?

Replicates via binary fission whilst destroying epithelial cells through direct cell contact and by the release of cytotoxins

16

How can trichomonas vaginalis affect the immune system?

Binds to host plasma proteins preventing recognition by complement pathway

17

What can trichomonas vaginalis infection increase the risk of contracting?

HIV

18

What are the risk factors for trichomoniasis?

- Multiple sexual partners
- Unprotected sexual intercourse
- History of other STIs
- Older women

19

What proportion of trichomoniasis cases are symptomatic?

Many

20

In which gender is asymptomatic trichomoniasis more common?

Men

21

How do most men with trichomoniasis present?

As a partner of a symptomatic infected woman

22

When do symptoms of trichomoniasis develop after infection?

Within 28 days

23

What are the symptoms of trichomoniasis in women?

- Offensive vaginal discharge
- Abnormal vaginal discharge
- Itchiness or soreness of the vulva
- Dyspareunia
- Dysuria

24

What is the appearance of the discharge in trichomoniasis?

Can be thick or thin and frothy yellow-green colour

25

What are the symptoms of trichomoniasis in men?

- Urethral discharge
- Dysuria
- Urinary frequency
- Pain or itching around foreskin

26

What are the signs of trichomoniasis in women?

- Abnormal vaginal discharge
- Vulvitis
- Vaginitis
- Strawberry cervix

27

What is a strawberry cervix?

Punctate and papilliform appearance

28

What are the signs of trichomoniasis in men?

- Urethral discharge
- Balanoposthitis

29

What is balanoposthitis?

Inflammation of the glans penis

30

How common is balanoposphitis?

Rare