Gemistocytic astrocytoma
Gemistocytic astrocytoma
Definition
A rare variant of diffuse astrocytoma. It is characterized by the presence of a conspicuous, though variable, fraction of gemistocytic neoplastic astrocytes. Gemistocytes are round to oval astrocytes with abundant, glassy, non-fibrillary cytoplasm which appears to displace the dark, angulated nucleus to the periphery of the cell. To make the diagnosis of gemistocytic astrocytoma, gemistocytes should amount to more than approximately 20% of all tumor cells. (Adapted from WHO)
Also known as gemistocytic astrocytic tumour, gemistocytic astrocytoma, gemistocytic astrocytoma (morphologic abnormality), Gemistocytoma — per MONDO
Also identified as
Affected Organs
| Organ | Involvement | Source |
|---|---|---|
| Central nervous system | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |
| Central nervous system | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |
| Nervous system | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |