Melanoma and Neural System Tumor Syndrome, also known as melanoma-astrocytoma syndrome,is related to mast-cell leukemia and mast-cell sarcoma,and has symptoms including meningioma, medulloblastoma and astrocytoma. An important gene associated with Melanoma and Neural System Tumor Syndrome is CDKN2A (Cyclin Dependent Kinase Inhibitor 2A). Related mousephenotype neoplasm