There are at least 23 pheno-and genotypically different diseases under EB, but histopathologically there are three major distinct groups: epidermolytic or simplex EBS, junctional JEB and dermolytic or dystrophic DEB.
Existen al menos 23 enfermedades feno y genotípicamente diferentes dentro de la EB, pero histológicamente se distinguen 3 grupos mayores de EB: EB epidermolíticas o simples EBS, EB de la unión o junturales EBJ y EB dermolíticas o distróficas EBD.