Dept. of Dermatology - University of Iowa College of Medicine

M. S. Stone and T. L. Ray

Pseudohorn Cyst

Intraepidermal keratin-filled space which due to the plane of sectioning resembles a cyst, but actually represents an epidermal invagination.
Example of Pseudohorn Cyst in Seborrheic Keratosis.

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September, 1995

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