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Pathology

Authoring team

Seborrhoeic keratosis has a number of common pathological features:

  • thickened epidermis - acanthosis:
    • proliferation of immature keratinocytes
    • predominant overgrowth between basal and keratinizing layers
  • dermal papillae elongated

There are a number of pathological features unique to certain types of seborrhoeic keratosis - see main menu.

 

Reference

  1. Weedon D. Weedon’s Skin Pathology. 3rd ed. London: Churchill Livingstone Elsevier, 2010

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