Tzank cell is:
Tzanck cells are acantholytic cell or acanthocytes formed due to separation of keratinocytes due to defect in desmosomes. Characterstic on tzank smear Acanthocytes Multinucleate Giant cells Dyskeratotic Keratinocyte Necrotic Keratinocyte Examples Pemphigus -Herpes -Chicken pox -Darier's disease -SJS/TEN
Neutrophil
Lymphocyte
Fibroblast
Keratinocytes
Histopathological findings