However, various reports of IgG autoantibodies against the three different Dsc have been found in paraneoplastic pemphigus/paraneoplastic autoimmune multiorgan syndrome (PNP/PAMS), PV, pemphigus foliaceus (PF), pemphigus vegetans (PVeg), and pemphigus herpetiformis (PH) (9). Here, DSC3 is linked to acquired polycythemia vera.