Inflammatory cytokine expression around the blister could play a mediator role in pemphigus lesions by increasing epithelial damage.

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Cytologic examination is easy to perform, saves time, provides a rapid diagnosis, and can be considered, under experienced hands, reliable in the confirmation of malignant skin tumors. Cytology does not give much information about tumor patterns or subtypes which can be related to aggressive behavior and can be very important in further therapeutic decisions. Therefore, histopathologic confirmation is mandatory before any therapeutic maneuver.