Nevus comedonicus is a rare type of epidermal nevus characterized by grouped, dilated follicular openings filled with dark keratin plugs that resemble blackheads. It usually appears at birth or in early childhood and most often affects the face, neck, or trunk, though it can occur anywhere on the body. The lesions tend to follow a linear or patchy distribution and may become more prominent with age. While usually benign, nevus comedonicus can sometimes be associated with inflammatory changes, se
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Nevus comedonicus is a rare type of epidermal nevus characterized by grouped, dilated follicular openings filled with dark keratin plugs that resemble blackheads. It usually appears at birth or in early childhood and most often affects the face, neck, or trunk, though it can occur anywhere on the body. The lesions tend to follow a linear or patchy distribution and may become more prominent with age. While usually benign, nevus comedonicus can sometimes be associated with inflammatory changes, se
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