Adult Diffuse Astrocytoma

**Semantic type:** Neoplastic Process

**Definition:** A low grade (WHO grade II) astrocytoma occurring during adulthood. It is characterized by a high degree of cellular differentiation, slow growth, and diffuse infiltration of neighboring brain structures.

**Synonyms:** - Diffuse Astrocytoma - WHO Grade 2 Astrocytoma - WHO Grade II Astrocytoma