IgA pemphigus associated with diffuse large B-cell lymphoma showing unique reactivity with desmocollins: Unusual clinical and histopathological features

IgA pemphigus includes subcorneal pustular dermatosis (SPD)-type and intraepidermal neutrophilic IgA dermatosis (IEN)-type. Cases of IgG/IgA pemphigus have recently been documented1. Nonetheless, individual reports of IgA pemphigus indicate considerable heterogeneity. http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2133.2012.11127.x/abstract