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