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CT7 and CT10 expression in melanoma: primary sinonasal melanoma with positivity for CT7 in the in situ (arrow) and invasive part (arrow head (a)). Maintained CT7 expression in the corresponding metastases (c) and local recurrence (e). Negativity for CT7 in a vaginal melanoma (b). Nuclear positivity for CT10 (d) and cytoplasmic positivity for CT7 (f) on the same anal melanoma.
