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*[http://commons.wikimedia.org/wiki/File:Actinic_Keratosis,_H%26E.jpg Actinic keratosis (WC)]. | *[http://commons.wikimedia.org/wiki/File:Actinic_Keratosis,_H%26E.jpg Actinic keratosis (WC)]. | ||
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*May be full thickness - known as ''bowenoid actinic keratosis''.<ref name=pmid19515076>{{Cite journal | last1 = Bagazgoitia | first1 = L. | last2 = Cuevas | first2 = J. | last3 = Juarranz | first3 = A. | title = Expression of p53 and p16 in actinic keratosis, bowenoid actinic keratosis and Bowen's disease. | journal = J Eur Acad Dermatol Venereol | volume = 24 | issue = 2 | pages = 228-30 | month = Feb | year = 2010 | doi = 10.1111/j.1468-3083.2009.03337.x | PMID = 19515076 }}</ref> | |||
DDx: | DDx: | ||
*[[Bowen's disease]]. | *[[Bowen's disease]] - full thickness involvement - with involvement of adnexal epithelium and follicular epithelium.<ref name=pmid19515076/> | ||
*[[Paget disease of the breast]]. | *[[Paget disease of the breast]]. | ||
*[[Squamous cell carcinoma]]. | |||
==Seborrheic keratosis== | ==Seborrheic keratosis== |
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