background: pemphigus vulgaris, a chronic mucocutaneous disease, is the most prevalent type of pemphigus which manifests with development of bullae and erosions on skin and mucosal membranes. objectives: to investigate the potential role of il-23 in pemphigus vulgaris. methods: in this study, 30 patients with pemphigus vulgaris and 30 healthy individuals were selected according to inclusion and...