<prompt> Cicatrising alopecia with perifollicular blue-gray patches hyperpigmentation is most commonly associated with:Pitting of nailsWhitish lesions in the buccal mucosaAhritisDiscoid plaques in the face  <response>: B i.e. Whitish lesions in the buccal mucosa Cicatrising alopecia with perifollicular erythema hyperpigmentation hyperkeratosis scaleQ are seen in lichen planus lichen planopilaris or spinosus et folliculitis decalvans. Whereas, Ciratrising alopecia with follicular accentuation widening dilation and keratotic plugging i.e dilated hyperpigtnented follicular orificesQ. are seen in DLE. 