<prompt> Cicatrising alopecia with perifollicular bluegray patches is most commonly associated withPitting of nailsWhitish lesions in the buccal mucosaArthritisDiscoid plaques in the face  <response>: Cicatricial alopecia with perifollicular blue-grey patches indicates in favour of lichen planus.Whitish lesion in buccal mucosa Lacey pathern is characteristic of lichen planus 