astrocytoma (excluding glioblastoma) (MONDO_0019781) is a tumor of the brain or spinal cord showing astrocytic differentiation. It includes the following clinicopathological entities: pilocytic astrocytoma, diffuse astrocytoma, anaplastic astrocytoma, pleomorphic xanthoastrocytoma, and subependymal giant cell astrocytoma. Also known as: astrocytoma.