Immunoreactivity for alpha-smooth muscle actin characterizes a potentially aggressive subgroup of little basal cell carcinomas

Abstract

Basal cell carcinoma (BCC) is a very common malignant skin tumor that rarely metastatizes, but is often locally aggressive. Several factors, like large size (more than 3 cm), exposure to ultraviolet rays, histological variants, level of infiltration and perineural or perivascular invasion, are associated with a more aggressive clinical course. These morphological features seem to be more determinant in mideface localized BCC, which frequently show a significantly higher recurrence rate. An immunohistochemical profile, characterized by reactivity of tumor cells for p53, Ki67 and alpha-SMA has been associated with a more aggressive behaviour in large BCCs. The aim of this study was to verify if also little (less than 3 cm) basal cell carcinomas can express immunohistochemical markers typical for an aggressive behaviour.

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Published
2009-08-17
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Letters to the Editor
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How to Cite
Pilloni, L., Bianco, P., Manieli, C., Senes, G., Coni, P., Atzori, L., Aste, N., & Faa, G. (2009). Immunoreactivity for alpha-smooth muscle actin characterizes a potentially aggressive subgroup of little basal cell carcinomas. European Journal of Histochemistry, 53(2), e14. https://doi.org/10.4081/ejh.2009.e14