Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Pretibial epidermolysis bullosa ?
    ### Response:
    Pretibial epidermolysis bullosa is a rare form of epidermolysis bullosa, a condition characterized by fragile skin that blisters easily in response to minor injury or friction. In the pretibial form, specifically, the characteristic blisters and skin erosions develop predominantly on the front of the lower legs (known as the "pretibial region").
    