Flashcards in Trichomoniasis Deck (48)
Loading flashcards...
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
