Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Tranebjaerg Svejgaard syndrome ?
    ### Response:
    Tranebjaerg Svejgaard syndrome is a rare condition that is characterized by intellectual disability, seizures and psoriasis. It has been reported in four male cousins. The underlying genetic cause of the condition is currently unknown; however, it is thought to be inherited in an X-linked manner.
    