Epithelial tumors

Seborrheic keratosis

Last author update: 1 February 2014
Last staff update: 2 June 2022

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PubMed Search: Seborrheic keratosis eyelid

Nat Pernick, M.D.
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Cite this page: Pernick N. Seborrheic keratosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeeyelidseborrheickeratosis.html. Accessed June 16th, 2024.
Gross description
  • Elevated irregular lesions, often crusty or greasy appearing
  • Often pigmented
Microscopic (histologic) description
  • Acanthosis with marked hyperkeratosis and keratin filled cysts
  • Also increased pigmentation in basal layer
  • No atypia
Microscopic (histologic) images

AFIP images
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Plaque-like lesion with cords of basaloid cells and numerous horn cysts

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Acanthotic epithelium with massive hyperkeratosis forming a cutaneous horn

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