Contiguous verrucous proliferations in syringocystadenoma papilliferum: A retrospective analysis with additional evaluation via mutation-specific BRAFV600E immunohistochemistry.

Abstract excerpt

BACKGROUND: Syringocystadenoma papilliferum (SCAP) is an uncommon cutaneous adnexal proliferation. There have been several reports describing collision lesions of SCAP and verruca, although little is known about the frequency of this association. Molecular testing has revealed the BRAFV600E mutation in a large proportion of SCAP cases, although its expression pattern has not been previously evaluated. METHODS: In...

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