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Difference between revisions of "Neuropathology tumours"
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→Primary: +Meningioma
Jensflorian (talk | contribs) (→IHC: update) |
Jensflorian (talk | contribs) (→Primary: +Meningioma) |
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*[[AKA]] (primary) brain tumour versus metastatic cancer. | *[[AKA]] (primary) brain tumour versus metastatic cancer. | ||
====Primary==== | ====Primary==== | ||
Glial tumours: | [[Glioma|Glial tumours]]: | ||
*Cytoplasmic processes - '''key feature'''. | *Cytoplasmic processes - '''key feature'''. | ||
**Best seen at highest magnification - usu. ~1 micrometer. | **Best seen at highest magnification - usu. ~1 micrometer. | ||
**Processes may branch. | **Processes may branch. | ||
*Ill-defined border/blend with the surrounding brain. | *Ill-defined border/blend with the surrounding brain. | ||
[[Meningioma]]: | |||
*Lesion often dura-based. | |||
*Mesenchymal tumor (often contains collagen). | |||
[[Lymphoma]]: | [[Lymphoma]]: | ||
*Large (lymphoid) cells, ergo usu. not a difficult diagnosis. | *Large (lymphoid) cells, ergo usu. not a difficult diagnosis. | ||
**~2x size of resting lymphocyte, nucleoli. | **~2x size of resting lymphocyte, nucleoli. | ||
*Lesion predominantly perivascular. | *Lesion predominantly perivascular. | ||
====Secondary==== | ====Secondary==== | ||