Group of genetically determined disorders characterized by the blistering of skin and mucosae. There are four major forms: acquired, simple, junctional, and dystrophic. Each of the latter three has several varieties.
Form of epidermolysis bullosa characterized by trauma-induced, subepidermal blistering with no family history of the disease. Direct immunofluorescence shows IMMUNOGLOBULIN G deposited at the dermo-epidermal junction.