Fig. 4

Histopathology of nevus comedonicus. a Overview (hematoxylin and eosin stain [HE] × 2). b Details with large follicles containing lamellated keratin but absent hair shafts (HE × 4)

Histopathology of nevus comedonicus. a Overview (hematoxylin and eosin stain [HE] × 2). b Details with large follicles containing lamellated keratin but absent hair shafts (HE × 4)