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Ophthalmology and Visual Sciences

Seborrheic keratosis

Seborrheic keratosis

Category(ies): Pathology
Contributor: Meagan Seay, DO and Nasreen Syed, MD

H&E section
Clinically, seborrheic keratosis has a "stuck-on" appearance.
Histologically, seborrheic keratosis contains acanthosis, hyperkeratosis, and papillomatosis
Histologically, seborrheic keratosis contains acanthosis, hyperkeratosis, and papillomatosis. Pseudohorn cysts are a characteristic finding.