Multinucleate giant cells on Tzanck test are seen in all Except?

Tzanck test is popular for rapid identification of multinucleate giant cells, used for Herpes simplex infection which are not pathognomonic Also seen in varicella, herpes zoster and pemphigus. Diagnosis of herpes simplex infection depends on clinical suspicion suppoed by electron microscopy of fresh lesional fluid, DNA hybridization, immunofluorescence, PCR and viral culture For Molluscum contagiosum : Henderson Paterson inclusion bodies.