Difference between revisions of "Embryonal tumour with multilayered rosettes"

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+histo
(IHC)
(+histo)
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* Rarely cysts, calcifications.
* Rarely cysts, calcifications.
* Widespread infiltration.
* Widespread infiltration.
==Microscopy==
* Rosettes (often multilayered).
* Small cells.
* Fibrillar zones (neuropil-like areas).
* Neoplastic ganglion cells.
* Papillar and tubular growth (primitive neural tubes).
**PAS-positive membranes.
* Glial maturation after treatment (rare).


==IHC==
==IHC==
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