Dermoscopy of seborrheic keratosis

(A) Milia-like cysts (white arrows) and comedo-like openings (dashed black arrows).
(B) Network-like structures and fingerprint-like structures (solid square).
(C) Hairpin vessels (solid square), milia-like cysts (white arrow), and comedo-like openings (dashed black arrow).
(D) Gyri and sulci.