FREE NEET PG MCQ on 10 December 2016

Neet Pg

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 DAILY FREE MCQ CHALLENGE for Medical PG Preparation

Question
Which of the following statement regarding PUVA therapy for vitiligo is FALSE?

A. It is equally indicated in children and adults
B. It is the mainstay of therapy for patients with widespread vitiligo
C. Topical PUVA is indicated in patients whose vitiligo involves less than 20% BSA
D. Oral psoralens can be used for patients with more extensive involvement

TIPSImportant Question from NEET PG

Answer : A. It is equally indicated in children and adults

Explanation : 

PUVA is not recommended for use in children under the age of 12 years owing to the long-term delayed risks of cataract formation and skin cancer.

PUVA therapy for vitiligo:

  • PUVA consists of a combination of topical or oral 8-methoxypsoralen with UVA (320–400 nm) irradiation.
  • Topical PUVA is indicated in patients whose vitiligo involves less than 20% of the body surface area, and painful burns (phototoxicity reactions) are unfortunately difficult to avoid. Oral psoralens can be used for patients with more extensive involvement or in patients who do not respond to topical PUVA

Reference : Fitzpatrick’s Dermatology in General Medicine, 8e. chapter 74.


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