Difference between revisions of "Neuropathology tumours"
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Jensflorian (talk | contribs) (→Astroblastoma: are now part of the CNS-PNET family.) |
Jensflorian (talk | contribs) (→Neuronal and mixed neuronal/glial tumours: missing entity added) |
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* [[Central Neurocytoma]] / Extraventricular [[neurocytoma]] | * [[Central Neurocytoma]] / Extraventricular [[neurocytoma]] | ||
* Cerebellar liponeurocytoma | * Cerebellar liponeurocytoma | ||
* [[Papillary glioneuronal tumour]] | * [[Papillary glioneuronal tumour]] (PGNT) | ||
* Rosette-forming glioneuronal tumour of the fourth ventricle | * [[Rosette-forming glioneuronal tumour of the fourth ventricle]] (RGNT) | ||
* Gangliocytoma / Ganglioglioma | * Gangliocytoma / Ganglioglioma | ||
* Dysplastic ganglioglioma of the cerebellum (Lhermitte-Duclos) | * Dysplastic ganglioglioma of the cerebellum (Lhermitte-Duclos) | ||
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* Abbreviated ''PGNT''. | * Abbreviated ''PGNT''. | ||
* A benign, supratentorial tumor of childhood. | * A benign, supratentorial tumor of childhood. | ||
** Biologic course corresponds to WHO I | ** Biologic course corresponds to WHO grade I. | ||
** Before WHO 2000, considered a [[Ganglioglioma]] variant. | ** Before WHO 2000, considered a [[Ganglioglioma]] variant. | ||
*Prominent pseudopapillary architecture. | *Prominent pseudopapillary architecture. | ||
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<gallery> | <gallery> | ||
File:PGNT_HE_stain.jpg | PGNT (HE) (WC/jensflorian) | File:PGNT_HE_stain.jpg | PGNT (HE) (WC/jensflorian) | ||
</gallery> | |||
===Rosette-forming glioneuronal tumour of the fourth ventricle=== | |||
* Abbreviated ''RGNT''. | |||
* Provisional ICD-O code: 9509/1 | |||
* A rare benign infratentorial tumour of the midline of children and adults. | |||
* Biologic course corresponds to WHO grade I. | |||
* Glial component corresponds to [[pilocytic astrocytoma]]. | |||
* Neurocytic rosettes. | |||
* Eosinopil fibrillary cores / pseudorosettes. | |||
* GFAP+ in fibrillary areas, Syn+ in rosettes. | |||
* Neurocytic cells: MAP2+ | |||
* MIB-1 usu. below 3%. | |||
<gallery> | |||
File:Histology RGNT HE.jpg | RGNT, HE stain (WC/jensflorian). | |||
File:RGNT HE 2.jpg | RGNT, higher magnification (WC/jensflorian). | |||
</gallery> | </gallery> | ||