Astrocytic Tumor

**Semantic type:** Neoplastic Process

**Definition:** A glial tumor of the brain or spinal cord showing astrocytic differentiation. It includes the following clinicopathological entities: pilocytic astrocytoma, diffuse astrocytoma, anaplastic astrocytoma, pleomorphic xanthoastrocytoma, subependymal giant cell astrocytoma, and glioblastoma.

**Synonyms:** - Astrocytic Neoplasm - Astroglioma - Astroglioma