Pityriasis Versicolor (YEAST)

Question 1

Pityriasis versicolor is a common yeast infection. Which of the following cause this?

1 - Malassezia furfur
2 - Varicella zoster virus
3 - Herpes simplex virus
4 - Trichophyton

Answer 1

1 - Malassezia furfur
- part of normal skin flora, commensal yeast

Question 2

Which of the following matches the description of how Pityriasis versicolor presents?

1 - erythematous macule
2 - papules with a central umbilication, which are up to 5 mm in diameter
3 - brown, white or red oval and polycyclic thin follicular plaques with fine scales on the surface
4 - well defined polycyclic red plaques with fine scales

Answer 2

3 - brown, white or red oval and polycyclic thin follicular plaques with fine scales on the surface

Question 3

Where does pityriasis versicolor typically present on the skin?

1 - mid-chest
2 - back
3 - neck
4 - folds areas
5 - all of the above

Answer 3

5 - all of the above
- essentially areas which remain moist
- affects those who sweat more

Question 4

Is pityriasis versicolor more common in cold or warm climates?

Answer 4

• warm climates

Question 5

Does pityriasis versicolor typically present with symptoms?

Answer 5

• no
• patients are asymptomatic

Question 6

Patients with pityriasis versicolor are typically asymptomatic. However, which of the following can be used if the patient becomes symptomatic?

1 - anti fungal body wash
2 - oral anti fungal
3 - topical anti fungal
4 - all of the above

Answer 6

4 - all of the above