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| ==Primitive neuroectodermal tumour== | | ==Primitive neuroectodermal tumour== |
| *[[AKA]] ''primitive neuroepithelial tumour''. (???)
| | {{Main|Primitive neuroectodermal tumour}} |
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| ===General===
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| *Abbreviated ''PNET''.
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| *Should not be confused with ''peripheral primitive neuroectodermal tumour'' (abbreviated ''[[pPNET]]''<ref name=PST14feb11>PST. 14 February 2011.</ref>), [[AKA]] ''[[Ewing sarcoma]]''.
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| ===Microscopic===
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| Features:
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| *[[Small round blue cell tumour]] - see ''[[medulloblastoma]]''.
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| DDx:
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| *[[Embryonal tumour with abundant neuropil and true rosettes]] (ETANTR).<ref name=pmid19563506>{{cite journal |author=Buccoliero AM, Castiglione F, Degl'Innocenti DR, ''et al.'' |title=Embryonal tumor with abundant neuropil and true rosettes: morphological, immunohistochemical, ultrastructural and molecular study of a case showing features of medulloepithelioma and areas of mesenchymal and epithelial differentiation |journal=Neuropathology |volume=30 |issue=1 |pages=84–91 |year=2010 |month=February |pmid=19563506 |doi=10.1111/j.1440-1789.2009.01040.x |url=}}</ref>
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| Images:
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| *[http://path.upmc.edu/cases/case414.html Primitive neuroectodermal tumour - several images (upmc.edu)].
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| *[http://path.upmc.edu/cases/case649.html GBM with PNET component - several images (upmc.edu)].
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| ==Embryonal tumour with abundant neuropil and true rosettes== | | ==Embryonal tumour with abundant neuropil and true rosettes== |