Difference in pigment distribution in lentigo maligna and pigmented actinic keratosis of the face
Difference in pigment distribution in lentigo maligna and pigmented actinic keratosis of the face
(A) Pigmented melanocytes that invade the hair follicles and melanophages in the upper dermis. (B) Keratotic plugs within the follicular openings, pigmented keratinocytes, and melanophages in the upper dermis.