Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Childhood Craniopharyngioma ?
    ### Response:
    Key Points
                    - Childhood craniopharyngiomas are benign brain tumors found near the pituitary gland.    - There are no known risk factors for childhood craniopharyngioma.    - Signs of childhood craniopharyngioma include vision changes and slow growth.
    