Sixty three cases of vitiligo with multiple vitiliginous patches (VPs), were selected for treatment with topical application of 0.2% of betamethasone 17-valerate in flexible collodion. All cases, excepting ten, responded more or less satisfactorily; while complete cure has been achieved in those cases over the face and neck, other VPs responded variably.
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E. Kandil (2009) studied this question.