Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Lipoid proteinosis of Urbach and Wiethe ?
    ### Response:
    Lipoid proteinosis (LP) of Urbach and Wiethe is a rare condition that affects the skin and the brain. The signs and symptoms of this condition and the disease severity vary from person to person. The first sign of LP is usually a hoarse cry during infancy. Affected children then develop characteristic growths on the skin and mucus membranes in the first two years of life.
    