“…Acantholysis may be observed in several skin or mucous membrane diseases, such as pemphigus, Darier disease, benign chronic familial pemphigus (Hailey-Hailey disease), transient acantholytic dermatosis (Grover 1970, Feinstein et al 1971, Simon et al 1976, Waisman et al 1976, Chalet et al 1977, benign papular acantholytic dermatosis (Heaphy et al 1976), focal acantholytic dyskeratosis (Ackerman 1972), viral diseases and tumors.…”