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. 2009 Dec;17(6):413-20.
doi: 10.1177/1066896909336018. Epub 2009 May 14.

PGP 9.5 and cyclin D1 coexpression in cutaneous squamous cell carcinomas

Aikaterini Mastoraki  1 , Eleftherios Ioannidis, Aikaterini Apostolaki, Efstratios Patsouris, Kiriaki Aroni
Affiliations

PGP 9.5 and cyclin D1 coexpression in cutaneous squamous cell carcinomas

Aikaterini Mastoraki et al. Int J Surg Pathol. 2009 Dec.

Abstract

Background: squamous cell carcinoma (SCC) consists of altered keratinocytes, presents variable differentiation, inexorably progresses, and on occasion metastasizes.

Objective: to investigate the biological activity of epidermal cells in SCCs by estimating the expression of PGP 9.5 and cyclin D1 using immunohistochemistry.

Methods: the sample included 13 well-differentiated cases of cutaneous SCC (grade I), 12 moderately differentiated tumors (grade II), and 7 poorly differentiated lesions (grade III). Four cases belonged to the distinct entity of pseudoadenoid SCC.

Results: PGP 9.5 expression was positively correlated with tumor stage (P < .001) and potential perineural invasion ( P < .001), whereas cyclin D1 expression correlated inversely with the degree of cellular differentiation (P < .001) and PGP 9.5 immunostaining (P < .001).

Conclusion: PGP 9.5 and cyclin D1 coexpression was closely associated with tumor aggressiveness and can be classified as a marker for predicting the outcome of resection-treated skin cancer patients.

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