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arsenical keratosis

 

Definition: multiple punctate keratoses, most commonly of the palms and soles but also of the fingers and proximal portions of the extremities, resulting from long-term arsenic ingestion; they resemble Bowen disease microscopically and may become squamous cell or basal cell carcinoma.

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

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