<prompt> Vitiligo vulvaris, treatment is :PUVASteroidsCoaltarAll  <response>: D. i.e. All Vitiligo is a focal failure of pigmentation dt genetically predisposed destruction of melanocytesQ by immunological mechanism. So a patch of vitiligo shows marked absence of melanocytes melanin in epidermis Q. Vitiligo is more common in or aw diabetes mellitusQ, alopecia areata, Addisons disease and thyroid diseases. Long standing vitiligo with leucotrichia depigmented hair, acrofacial lesions acral Le, periungal, palm, sole facial around eyes lips and lesion on resistant area are indicators of poor prognosis for therapy0. Treatment includes topical steroidse for localized, 20 skin surface involved, tacrolimus topical immunomodulators, considered safer for children and PUVA psoralen UV - Ae etc. 