 | This article's factual accuracy may be compromised due to out-of-date information. The reason given is: Per the 2021 update of the WHO classification, "fibrillary astrocytoma" is not a separate type of tumor. Most are instead classified as low-grade variants of "astrocytoma, IDH-mutated". (August 2021) |
 | This article needs additional citations for verification. (April 2010) |
| Fibrillary astrocytoma | |
|---|---|
| Other names | Low-grade or diffuse astrocytomas |
 | |
| Diffuse fibrillary astrocytomas arising in the brain stem favor the pons: The tumor here produces the classic hypertrophy of the affected region. | |
| Specialty | Neuro-oncology |
Fibrillary astrocytomas are a group of primary slow-growing brain tumors that typically occur in adults between the ages of 20 and 50.[citation needed]