Abstract
Background. The aim of this study was to investigate maspin and ezrin expression in different subtypes of periocular basal cell carcinoma (BCC). Methods. Tissue samples from 43 patients with periocular BCC. Our cases were comprised of 10 morpheaform, 25 nodular, and 8 adenoid type BCCs. Immunohistochemical staining for maspin and ezrin was performed by Envision detection system. Results. There was no difference between different subtypes of BCC in maspin expression regarding positivity, intensity, and pattern of expression. Ezrin was expressed in all subtypes of BCC but the intensity was significantly higher in morpheaform BCC compared to nodular and adenoid types (P < 0.001 and P = 0.012, resp.); ninety percent of morpheaform samples showed strong ezrin intensity, while this strong intensity was only present in 25% and 12% of adenoid and nodular subtypes, respectively. There was no correlation between age, sex, or tumor margin involvement and expression of neither maspin nor ezrin. There was no correlation between maspin and ezrin expression except in nodular type, in which an inverse correlation was found (P = 0.004). Conclusion. Ezrin is expressed intensely in morpheaform BCC of periocular region. Further studies are needed to show the significance of this finding in prognosis of morpheaform BCC.
Highlights
Basal cell carcinoma (BCC) of the skin, the most frequent malignancy in human population, represents 20% of eyelid tumors and 90% of eyelid malignancies [1, 2]
There was no significant difference between different types of basal cell carcinoma (BCC) regarding maspin expression and intensity of staining (P = 0.63 and 0.82, resp.)
Intensity of ezrin expression was significantly higher in morpheaform BCC compared to nodular and adenoid types (P < 0.001 and P = 0.012, resp.); ninety percent of morpheaform samples showed strong ezrin intensity, while this strong intensity was only present in 25% and 12% of adenoid and nodular subtypes, respectively
Summary
Basal cell carcinoma (BCC) of the skin, the most frequent malignancy in human population, represents 20% of eyelid tumors and 90% of eyelid malignancies [1, 2]. Various tumor biomarkers are identified which have great importance in predicting clinical behavior of the cancers [3], among them, maspin and ezrin may be involved in BCC pathogenesis. The aim of this study was to investigate maspin and ezrin expression in different subtypes of periocular basal cell carcinoma (BCC). Our cases were comprised of 10 morpheaform, 25 nodular, and 8 adenoid type BCCs. Immunohistochemical staining for maspin and ezrin was performed by Envision detection system. There was no correlation between age, sex, or tumor margin involvement and expression of neither maspin nor ezrin. There was no correlation between maspin and ezrin expression except in nodular type, in which an inverse correlation was found (P = 0.004). Ezrin is expressed intensely in morpheaform BCC of periocular region. Further studies are needed to show the significance of this finding in prognosis of morpheaform BCC
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