Based on clinical, genetic and histopathological characteristics assessed with electron microscope, histochemical analysis or molecular study of involved proteins, several types of EB have been identified .The use of electron microscope enables EB classification into three main groups: simple EB, dystrophic EB and union EB.
Se han identificado distintos tipos de epidermólisis bullosa basándose en las características clínicas, genéticas e histopatológicas con microscopia electrónica, el análisis histoquímico o el estudio molecular de las proteínas involucradas.