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New Histopathological Classification of Actinic Keratosis (Incipient Intraepidermal Squamous Cell Carcinoma)

July 2005 | Volume 4 | Issue 4 | Original Article | 462 | Copyright © July 2005


Clay J. Cockerell MD, James R. Wharton MD

Abstract
Actinic keratoses are common, sun-induced lesions that have historically been regarded as “premalignant.” Evidence supports their inclusion along a continuum with squamous cell carcinoma. We propose a classification analogous to that used for cervical intraepithelial neoplasia.