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Solid nodules of primary BCC demonstrate rather diffuse, weak to moderate α-SMA immunopositivity, whereas the lower one – more strong and compact immunopositivity appearing locally. Vascular α-SMA immunopositivity appears in myxoid stroma interspersing the nodules. α-SMA immunohistochemistry, ×250. α-SMA: Alpha-smooth muscle actin; BCC: Basal cell carcinoma
