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Pronunciation: po'ro-ker'a-to'sis

Definition: A rare dermatosis in which there is a thickening of the stratum corneum with an anular keratotic rim or cornoid lamella surrounding progressive centrifugal atrophy; cutaneous carcinoma has been reported to arise in the lesions.

Synonym(s): Mibelli disease

[G. poros, pore, + keratosis]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.