OnlineMedEd: Dermatology - "Hypopigmentation" Flashcards
1
Q
What is the disease that causes a hypopigmentation rash on the backs of teenagers?
A
TInea versicolor (caused by Malassezia furfur)
2
Q
How does the rash of tinea versicolor appear?
A
Scaly plaques of various colors (versicolor)
3
Q
Diagnose tinea versicolor with _____________.
A
KOH prep
4
Q
Diagnose vitiligo with _______________.
A
either wood’s lamp or biopsy
5
Q
How do you treat vitiligo?
A
- Localized disease: topical steroids
* Extensive disease: UV light
6
Q
What is the defect in albinism?
A
Tyrosinase (an enzyme in the melanin pathway)
7
Q
Albinism is treated with ______________.
A
avoidance of sun
8
Q
List two diseases that might be confused with albinism.
A
- PKU
* Piebalbinism (white forelock)
