Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Phacomatosis pigmentovascularis ?
    ### Response:
    What are the signs and symptoms of phacomatosis pigmentovascularis? Characteristic signs and symptoms of phacomatosis pigmentovascularis (PPV), include port wine stain and pigmentary lesions. The port wine stain and pigmentary lesions are often extensive and can affect several areas of the body, including the face.
    