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Difference between revisions of "Neuropathology tumours"
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Neuropathology tumours (view source)
Revision as of 04:43, 20 December 2011
, 04:43, 20 December 2011→Common brain tumours in a table
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|[http://commons.wikimedia.org/wiki/File:Grey_matter_and_white_matter_-_very_high_mag.jpg very high mag.], [http://commons.wikimedia.org/wiki/File:Grey_matter_and_white_matter_-_high_mag.jpg high mag.] | |[http://commons.wikimedia.org/wiki/File:Grey_matter_and_white_matter_-_very_high_mag.jpg very high mag.], [http://commons.wikimedia.org/wiki/File:Grey_matter_and_white_matter_-_high_mag.jpg high mag.] | ||
|- | |- | ||
|Reactive astrocytes | |[[Reactive astrocytes]] | ||
|astrocytes with well-demarcated eosinophilic cytoplasm, regular spacing, no nuc. atypia | |astrocytes with well-demarcated eosinophilic cytoplasm, regular spacing, no nuc. atypia | ||
|small lesion? / deep lesion? | |small lesion? / deep lesion? | ||
| Line 102: | Line 102: | ||
|[http://commons.wikimedia.org/wiki/File:Reactive_astrocytes_-_lfb_-_high_mag.jpg high mag.] | |[http://commons.wikimedia.org/wiki/File:Reactive_astrocytes_-_lfb_-_high_mag.jpg high mag.] | ||
|- | |- | ||
|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 in the core of the lesion † | |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 | ||
| Line 118: | Line 118: | ||
|[http://commons.wikimedia.org/w/index.php?title=File:Metastatic_adenocarcinoma_-_cerebellum_-_very_low_mag.jpg very low mag.], [http://commons.wikimedia.org/w/index.php?title=File:Metastatic_adenocarcinoma_-_cerebellum_-_high_mag.jpg high mag.] | |[http://commons.wikimedia.org/w/index.php?title=File:Metastatic_adenocarcinoma_-_cerebellum_-_very_low_mag.jpg very low mag.], [http://commons.wikimedia.org/w/index.php?title=File:Metastatic_adenocarcinoma_-_cerebellum_-_high_mag.jpg high mag.] | ||
|- | |- | ||
|Meningioma | |[[Meningioma]] | ||
|whorls, psammomatous calcs, nuclear inclusions | |whorls, psammomatous calcs, nuclear inclusions | ||
|extra-axial + intradural | |extra-axial + intradural | ||
| Line 126: | Line 126: | ||
|[http://commons.wikimedia.org/wiki/File:Meningioma_intermed_mag.jpg intermed. mag.] | |[http://commons.wikimedia.org/wiki/File:Meningioma_intermed_mag.jpg intermed. mag.] | ||
|- | |- | ||
|Schwannoma | |[[Schwannoma]] | ||
|cellular areas (Antoni A), paucicelluar areas (Antoni B), palisading of nuclei (Verocay bodies) | |cellular areas (Antoni A), paucicelluar areas (Antoni B), palisading of nuclei (Verocay bodies) | ||
|extra-axial + intradural | |extra-axial + intradural | ||