central nervous system hematopoietic neoplasm (MONDO_0003641, a Monarch Disease Ontology id) is a primary or metastatic neoplasm of hematopoietic origin that affects the brain, meninges, or spinal cord. Representative examples include Hodgkin and non-Hodgkin lymphomas, histiocytic tumors, and leukemias. Also known as: CNS haematopoietic neoplasm, CNS haematopoietic tumour, CNS hematopoietic neoplasm, CNS hematopoietic tumor, central nervous system haematopoietic and lymphoid system neoplasm, central nervous system haematopoietic neoplasms, central nervous system haematopoietic tumour, central nervous system hematopoietic and lymphoid system neoplasm.