Gemistocytic astrocytoma of brain (Q107624): Difference between revisions
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Variante rara de astrocitoma difuso. É caracterizada pela presença de uma fração importante, embora variável, de astrócitos neoplásicos gemistocíticos. Os gemistócitos são astrócitos redondos a ovais com citoplasma abundante, vítreo e não fibrilar, que parece deslocar o núcleo escuro e angulado para a periferia da célula. Para fazer o diagnóstico de astrocitoma gemistocítico, os gemistócitos devem representar mais de aproximadamente 20% de todas as células tumorais. (Adaptado da OMS) | |||
| description / en | description / en | ||
A rare variant of diffuse astrocytoma. It is characterised 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 tumour cells. (Adapted from WHO) | |||
Revision as of 14:38, 17 August 2026
A rare variant of diffuse astrocytoma. It is characterised 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 tumour cells. (Adapted from WHO)
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | ID_522379563 |
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| English | Gemistocytic astrocytoma of brain |
A rare variant of diffuse astrocytoma. It is characterised 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 tumour cells. (Adapted from WHO) |
