in addition to normal ( epidermoid ) keratinization ( e.g. , seborrheic keratosis and related conditions ) , the variants of the benign acanthomas show a wide range of aberrant keratinization , including epidermolytic hyperkeratosis ( epidermolytic acanthoma ) , dyskeratosis ( warty dyskeratoma ) , acantholysis ( acantholytic acanthoma ) , cornoid lamellation ( porokeratosis ) , lichenoid hyperplasia ( lichen planus-like keratosis ) , and absence of keratinization ( clear cell acanthoma ) .
C0162839
porokeratosis
C0022593
keratosis