a solitary benign papule or plaque, with microscopic features resembling lichen planus, occurring on sun-exposed or unexposed skin. Synonym(s): lichen planus-like keratosis
li·chen·oid ker·a·to·sis
(lī'kĕ-noyd ker'ă-tō'sis) A solitary benign papule or plaque, with microscopic features resembling lichen planus, occurring on sun-exposed or unexposed skin.