Talk:Neuropathology tumours: Difference between revisions
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→Chordoma: new section |
→Pilocytic astrocytoma: new section |
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CLIVUS: | CLIVUS: | ||
<br>- CHORDOMA. | <br>- CHORDOMA. | ||
== Pilocytic astrocytoma == | |||
===Microscopic description=== | |||
The smear shows bipolar cells with thick hair-like processes. The sections show a cellular tumour with eosinophilic cytoplasm drawn into processes. Eosinophilic granular bodies and Rosenthal fibres are present, as demonstrated with trichrome staining. | |||
There is no nuclear pleomorphism and no mitotic activity. There is no microvascular proliferation and no necrosis. | |||
===Final diagnosis=== | |||
BRAIN:<br> | |||
- PILOCYTIC ASTROCYTOMA (WHO GRADE I). | |||