case_images: PMC5726705_01
case_images: A - Clinical image of a reddish nodule in the forearm.
  B - polarized dermoscopy showing dotted, and some
  coiled vessels arranged in serpiginous lines. C -
  histologic image, X10 Hematoxylin & eosin with hyperkeratosis, areas
  of hypergranulosis and irregular acanthosis with foci of basal cell
  liquefactive degeneration and lichenoid lymphocytic infiltrate
case_images: abd-92-05-s1-0142-g01.jpg
case_images: PMC5726705_01_abd-92-05-s1-0142-g01.jpg
case_images: f1
case_images: Histopathologic analysis confirmed a lichen-planus-like keratosis (LPLK) (Figure 1).
case_images: PMC5726705_02
case_images: A Polarized dermoscopy shows coiled an dotted vessels
  arranged in linear and serpiginous rows (B) clinical
  reddish papule on the lower back (C) histologic image 10x
  Hematoxylin & eosin of basaloid cells regular acanthosis, with
  fusion of the rete ridges.
case_images: abd-92-05-s1-0142-g02.jpg
case_images: PMC5726705_02_abd-92-05-s1-0142-g02.jpg
case_images: f2
case_images: Histopathology demonstrated an acanthotic type of seborrheic keratosis (Figure 2).
case_images: PMC5726705_03
case_images: A - Clinical image of an itching reddish plaque in left
  mandibular region B - polarized dermoscopy showing a small
  ulceration on the right up corner, and mostly coiled vessels arranged in
  a serpiginous lines C - histologic image X10 Hematoxylin
  & eosin showing keratotic plugs and intraepidermal cyst on an
  irregular basaloid cell proliferation
case_images: abd-92-05-s1-0142-g03.jpg
case_images: PMC5726705_03_abd-92-05-s1-0142-g03.jpg
case_images: f3
case_images: Biopsy confirmed a diagnosis of seborrheic keratosis (Figure 3).