“…PV is a chronic, life-threatening autoimmune mucocutaneous vesiculobullous disease characterized by suprabasal acantholysis, which leads to the formation of blisters that readily rupture, leaving erosions and ulcers of the skin or the mucosa. 5,9,14,15 It affects not only the skin and oral mucosa, but also the mucosa of the nose, conjunctivae, genitals, esophagus, pharynx, and larynx, mainly in middle-aged and elderly patients with intraepithelial immune deposits and loss of cell-to-cell contact (acantholysis), leading to intraepithelial vasiculation. 13 It affects women more than men, although some data show equal prevalence in both genders.…”