recessive dystrophic epidermolysis bullosa (MONDO_0009179) can be described as follows. Severe generalized recessive dystrophic epidermolysis bullosa (RDEB-sev gen) is the most severe subtype of dystrophic epidermolysis bullosa (DEB), formerly known as the Hallopeau-Siemens type, and is characterized by generalized cutaneous and mucosal blistering and scarring associated with severe deformities and major extracutaneous involvement. Also known as: EBD inversa, RDEB generalisata gravis, RDEB, Hallopeau-Siemens type, RDEB-sev gen, autosomal recessive dystrophic epidermolysis bullosa generalisata gravis, autosomal recessive dystrophic epidermolysis bullosa, Hallopeau-Siemens type, epidermolysis bullosa dystrophica, AR, epidermolysis bullosa dystrophica, autosomal recessive, modifier of.