48,847
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(→Central neurocytoma: more) |
(→Common brain tumours in a table: tweak) |
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|Astrocytoma (grade II or worse) | |Astrocytoma (grade II or worse) | ||
|glial processes (esp. on smear), nuclear atypia (size var. ~3x, irreg. nuc. membrane, hyperchromasia), no Rosenthal fibres | |glial processes (esp. on smear), nuclear atypia (size var. ~3x, irreg. nuc. membrane, hyperchromasia), no Rosenthal fibres in the core of the lesion † | ||
|often enhancing (suggests high grade), usu. supratentorial, usu. white matter | |often enhancing (suggests high grade), usu. supratentorial, usu. white matter | ||
|usu. old, occ. young | |usu. old, occ. young | ||
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|[http://commons.wikimedia.org/wiki/File:Peripheral_schwannoma_Antoni_type_A_(1).JPG intermed. mag.] | |[http://commons.wikimedia.org/wiki/File:Peripheral_schwannoma_Antoni_type_A_(1).JPG intermed. mag.] | ||
|} | |} | ||
† Rosenthal fibres at the periphery of a lesion are a non-specific finding seen in chronic processes. | |||
==Metastatic tumours== | ==Metastatic tumours== |
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