Which image shows pityriasis versicolor?
Answers:
A= Vitiligo
This milky white lesion is completely depigmented centrally which is typical of vitiligo.
Careful examination will show mild hypopigmentation as well as fine scale. The cheeks are a typical site for pityriasis alba.
In the active phase, pityriasis versicolor is light brown and scaly. Because the causative yeast releases azelaic acid, it causes temporary hypopigmentation as the active infection resolves.
D= Extragenital lichen sclerosus
Lichen sclerosus produces mild atrophy and sclerosis as well as depigmentation - it is usually present on the genitalia even when there is extragenital disease.
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Comments
20 October 26
Amy
Very good method of learning how to diagnose. I thought the answer was b, but it is c.
19 October 26
Mohammed Jasimuddin
Information is exact, precise and simple
18 October 26
Noor
Very helpful
17 October 26
Sima
Very nice pictorial diagnosis snd explanation
15 October 26
Ayinke
Both P-alba and P-vesicolor present alike, will the management also be same?
15 October 26
Gabriel Vaserstein
Great presentation
15 October 26
Edgar
Respuesta:C. Excelente forma de entrenenamiento
15 October 26
Ian
Nice to have a little quiz!
C
14 October 26
Charitha
I really like this type of quiz, Thank you
14 October 26
Anton
Thank you for the Quiz's -- it is a good start to my day!
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