STDs

Question 1

How is trichomonas vaginalis diagnosed?

Answer 1

Diagnosed by seeing motile organisms during microscopy

Question 2

Features of trichomonas vaginalis?

What does it respond well to?

Answer 2

Single cell protozoan parasite

Infects vagina and urethra

Symptoms- dysuria, discharge

Cause frothy discharge and “strawberry cervix”

Responds well to metronidazole

Question 3

Genital warts? Are cervical smears encouraged?

Answer 3

Extremely common
HPV 6 + 11
90% are these ones which are low risk so increased smears not recommended

Question 4

Pearly penile papules

Answer 4

Normal anatomic variants in males

Question 5

Fordyce spots

Answer 5

Normal anatomic variants in males

Question 6

Vulval papules / papillomatosis

Answer 6

normal pearly papules in females

Question 7

Genital enlarged sebaceous glands/warts

Answer 7

normal anatomic variants

Question 8

What is the name for a fungal infection in male genital?

Answer 8

Tinea cruris

-dermatophyte

Question 9

How can you differentiate between candida and scabies?

Answer 9

Candida is more global

Question 10

Scabies is always sexually transmitted. T/F

Answer 10

F

also via skin to skin

Question 11

Viral STI [4]

Answer 11

Herpes 
Warts/HPV
HIV
Hepatitis
Mollluscum contagiosum

Question 12

Bacterial/ protozoal STI [4]

Answer 12

Chlamydia
Gonorrhoea
Symphilis
Trichomonas vaginalis

Question 13

Bacterial STI Presentation

Answer 13

• florid symptoms (redness)
• early presentation
• rapid diagnosis
• effective treatment available
• can cure
• reservoirs can be controlled

Question 14

Viral STI presentation

Answer 14

• can be unaware of infection
• delayed presentation
• diagnostic tests can be unreliable
• symptomatic treatment only
• often life-long
• expanding reservoirs

Question 15

What symptoms do Chlamydia and Gonorrhea commonly present with?

Answer 15

Dysuria

Discharge

Question 16

What does primary syphilis look like?

Answer 16

1-3 wks after contact
red mark–raised spot–ulcer at site of contact
Enlarged lymph nodes in groin/neck

Question 17

Syphilis

Answer 17

First stage - Primary Syphilis

• painless. can also have some enlarged glands
• may resolve in 2-8 wks

Secondary Stage

• lasts 2-4 weeks
• blotchy red rash, flu like symptoms
• systemic dissemination
• flu-like rashes
• mouth ulcers
• suspect if rash involves palms + sores

Question 18

Herpes simplex virus

Answer 18

Symptoms

• painful ulceration, dysuria, vaginal discharge
• system symptoms e.g. fever and myalgia

Signs

• blistering + ulceration
• inguinal lymphadenopathy

Genital herpes- mainly HSV-2
HSV-1- cold sores but not always

Question 19

What is candida/thrush?

Treatment

Answer 19

Non-STI

-fungal

symptomes- itchy, discharge, swelling

papular rash in males

Treatment- topical antifungals

Question 20

Bacterial vaginosis

Answer 20

Non-STI

symptoms- discharge/ “fish” odor

• imbalance of vaginal flora
• overgrowth of anaerobes
• often result of over-washing/bubble baths etcs

responds to metronidazole