Acanthotic type of seborrheic keratosis with rare comedo-like openings someof which are also called irregular crypts



Acanthotic type of seborrheic keratosis with rare milia-like cysts and comedo-like openings



Reticulated type of seborrheic keratosis with few milia-like cysts and comedo-like openings



Seborrheic keratosis characterized by a brain-like appearance due to gyri and sulci



Seborrheic keratosis with a variation on the theme of gyri and sulci. In addition, few milia-like cysts are present.