Epidermolysis Bullosa Simplex 5a, Ogna Type, also known as epidermolysis bullosa simplex, ogna type, is related to plec-related intermediate epidermolysis bullosa simplex without extracutaneous i and epidermolysis bullosa simplex. An important gene associated with Epidermolysis Bullosa Simplex 5a, Ogna Type is PLEC (Plectin). Affiliated tissues include skin and bone marrow, and related phenotypes are palmoplantar keratoderma and hypermelanotic macule