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Difference between revisions of "Neuropathology tumours"
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→Primary versus secondary: Update
Jensflorian (talk | contribs) (→By age group: Update) |
Jensflorian (talk | contribs) (→Primary versus secondary: Update) |
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[[Lymphoma]]: | [[Lymphoma]]: | ||
*Primary CNS Lymphoma (PCNSL) is usu. a diffuse large B-cell 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. | ||
| Line 121: | Line 122: | ||
====Secondary==== | ====Secondary==== | ||
Carcinomas: | *Carcinomas: | ||
*Well-demarcated border between brain and lesion - '''key feature'''. | **Well-demarcated border between brain and lesion - '''key feature'''. | ||
*No cytoplasmic processes. | **No cytoplasmic processes. | ||
*Usu. have nuclear atypia of malignancy. | **Usu. have nuclear atypia of malignancy. | ||
**Nuclei often ~3-4x the size of a [[RBC]]. | **Nuclei often ~3-4x the size of a [[RBC]]. | ||
*+/-Glandular arrangement. | **+/-Glandular arrangement. | ||
*+/-Nucleoli. | **+/-Nucleoli. | ||
*Melanoma. | |||
*Secondary Lymphoma. | |||
*Sarcomas (rare). | |||
===Common neuropathology tumours in a table=== | ===Common neuropathology tumours in a table=== | ||