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solar cheilitis

 

Definition: mucosal atrophy with drying, crusting, and fissuring of the vermilion border of the lower lip in older fair-skinned individuals, resulting from chronic exposure to sunlight; dysplastic (premalignant) changes are noted microscopically, analogous to solar keratosis.

Synonym(s): actinic cheilitis

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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