Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Brooke-Spiegler syndrome ?
    ### Response:
    Brooke-Spiegler syndrome is a condition characterized by multiple skin tumors that develop from structures associated with the skin, such as sweat glands and hair follicles. People with Brooke-Spiegler syndrome may develop several types of tumors, including growths called spiradenomas, trichoepitheliomas, and cylindromas.
    