Acantholysis is seen in all except
Acantholysis seen in diseases such as pemphigus vulgaris, pemphigus foliaceous,SSSS, Dariers disease. It is absent in bullous pemphigoid, making it useful for differential diagnosis. page no.110.Reference IADVL's concise textbook of dermatology
Pemphigus vulgaris
Darrier's disease
SSSS
Bullous pemphigoid
Vestibulobullous disorders