“…14 In the previous studies of IVIg treatment for patients with pemphigus, it was reported that the autoantibody titers did reduce during the treatment. 16 Rituximab was originally developed to treat refractory, low-grade, follicular, B cell non-Hodgkins lymphoma 2 , but has been used experimentally in various autoimmune diseases including autoimmune blistering disorders (pemphigus vulgaris, 5-7,9-10,12,14,17-27 pemphigus vegetans, 12 pemphigus foliaceus, 5,8,11,12,28 paraneoplastic pemphigus, [29][30][31][32][33] bullous pemphigoid, 34 and epidermolysis bullosa acquisita 13,35,36 …”