%0 Journal Article %T A necessidade da imunofluoresc¨ºncia direta no diagn¨®stico da dermatose bolhosa por IgA %A Chang %A Daniel %J Jornal Brasileiro de Patologia e Medicina Laboratorial %D 2012 %I Sociedade Brasileira de Patologia Cl¨ªnica %R 10.1590/S1676-24442012000100011 %X linear immunoglobulin a bullous dermatosis (dbiga) of adults is a rare autoimmune disease characterized by subepidermal blistering and linear deposits of immunoglobulin a (iga) in the basement membrane zone (bmz). owing to the fact it presents clinical and histological aspects similar to other bullous dermatosis, mainly dermatitis herpetiformis and bullous pemphigoid, direct immunofluorescence is required to confirm diagnosis. in this article, we describe a case that illustrates this need. %K bullous dermatosis %K autoimmune disease %K direct immunofluorescence. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1676-24442012000100011&lng=en&nrm=iso&tlng=en