Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Pseudoxanthoma elasticum ?
    ### Response:
    What are the signs and symptoms of Pseudoxanthoma elasticum? The Human Phenotype Ontology provides the following list of signs and symptoms for Pseudoxanthoma elasticum. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    