Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
Fusions of ETS with the EWSR1 partner gene define many members of the Ewing family of tumors, including primitive neuroectodermal tumor (PNET).
|
31831298 |
2020 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
AES has mixed features of Ewing sarcoma (ES)/primitive neuroectodermal tumor (PNET) and adamantinoma with a complex immunoprofile and EWSR1 gene rearrangements.
|
29034595 |
2018 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
The clinical, histologic, and immunophenotypic features as well as EWSR1 rearrangement status of 19 gynecologic PNETs, including 10 ovarian, 8 uterine, and 1 vulvar tumors, are herein reported.
|
28296680 |
2017 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
We found disagreement in only three samples: one ES/pPNET and one embryonal rhabdomyosarcoma harbor a PAX3-FOXO1 translocation (for ARMS), and one neuroepithelioma harboring a EWS-WT1 (for DSRCT).
|
24486246 |
2014 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
We obtained the final diagnosis of ES/PNET by immunohistochemical molecular study with positive staining for the MIC2 gene product (CD99) and a Ewing sarcoma breakpoint region 1 (EWSR1) gene rearrangement.
|
24158076 |
2013 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Molecular testing demonstrated the expression of EWS/FLI1 fusion transcripts corresponding to the t(11;22)(q24;q12) translocation, which confirmed the diagnosis of PNET of the uterine cervix.
|
22365564 |
2012 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
The EWS/Fli-1 fusion gene, a product of the translocation t(11;22, q24;q12), is detected in 85% of Ewing sarcomas and primitive neuroectodermal tumors.
|
20648560 |
2011 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
EWS-FLI1 fusion transcripts were detected by reverse transcriptase polymerase chain reaction and direct sequencing, confirming the diagnosis of PNET/ES.
|
21063743 |
2011 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
EWSR1 FISH was sensitive among high-grade round cell sarcomas (positive in 100% of desmoplastic small round cell tumors and 96% of Ewing sarcoma/primitive neuroectodermal tumors) but not specific because clear cell sarcoma, extraskeletal myxoid chondrosarcoma, and a subset of round cell liposarcomas also harbor rearrangements of EWSR1.
|
21128778 |
2010 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
EWS-Fli1, a fusion gene resulting from the chromosomal translocation t(11;22, q24;q12), encodes a transcriptional activator, promotes cellular transformation, and is often found in Ewing sarcoma and primitive neuroectodermal tumor.
|
19074838 |
2008 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Tumors without a rearrangement of the EWSR1 gene should be descriptively characterized as uterine tumors with neuroectodermal differentiation or alternatively central type PNETs rather than PNET, not otherwise specified to avoid confusion with peripheral PNET.
|
18223324 |
2008 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Fluorescence in situ hybridization (FISH) indicated a rearrangement of the EWS region on chromosome 22, which is highly specific for Ewing's sarcoma and PNET, which are referred to as the Ewing's sarcoma family of tumors (EFT).
|
17610475 |
2007 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
EWS-Fli1, a fusion gene resulting from a chromosomal translocation t(11;22, q24;q12) and found in Ewing sarcoma and primitive neuroectodermal tumors, encodes a transcriptional activator and promotes cellular transformation.
|
15919668 |
2005 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
This case of PNET/EWS is unique in the sense of showing the typical fusion transcript associated with this tumor both in the morphologically typical pretherapy tumor and in the sample from the post-therapy specimen showing neuroblastoma-like features.
|
12883251 |
2003 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
CTD_human |
PNET arising in the mesentery is very rare, and we distinguished PNET from other tumors by immunohistochemical examination and by demonstration of the presence of EWS-FLI1 chimeric mRNA in the tumor.
|
12162413 |
2002 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
Interestingly, one PNET originating in the intracranial dura mater was positive for both MIC2 and EWS-FLI1 fusion gene.
|
11304041 |
2001 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
However, the reverse transcriptase-polymerase chain reaction (RT-PCR) demonstrated EWS/FLI-1 fusion transcripts, confirming the histopathologic diagnosis of PNET.
|
11261815 |
2001 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Primitive neuroectodermal tumor (PNET) is a prototypic malignant small round cell tumor of childhood that is characterized in most cases by t(11;22) resulting in an EWS-FLI1 gene fusion.
|
11178636 |
2001 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Ewing's sarcoma (ES) and primitive neuroectodermal tumor (PNET) are members of a tumor family consistently associated with chromosomal translocation and functional fusion of the EWS gene to any of several structurally related transcription factor genes.
|
10623711 |
2000 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
The chimeric gene EWS/FLI-1, the hallmark of the Ewing's sarcoma and primitive neuroectodermal tumor family, encodes a fusion protein with enhanced transcriptional activation properties and preserved recognition of canonical ETS binding sites.
|
11002425 |
2000 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
EWS Fli-1, a fusion gene resulting from a t(11;22) translocation is found in 90% of both Ewing's sarcoma and primitive neuroectodermal tumor (PNET).
|
11118299 |
2000 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
The t(11;22)(q24;q12) chromosomal translocation is specifically linked to ES and primitive neuroectodermal tumors and results, in the majority of cases, in the fusion of the amino terminus of the EWS gene to the carboxyl-terminal DNA-binding domain of the FLI1 gene.
|
10975680 |
2000 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Fluorescence in situ hybridization analysis of paraffin-embedded tissue revealed that three of four tumors were positive for a chromosomal translocation involving the EWS locus at 22q12, seen in more than 90% of cases of Ewing's sarcoma/malignant primitive neuroectodermal tumor.One case was not analyzable.
|
9500772 |
1998 |
Neuroectodermal Tumor, Primitive
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
The t(11;22) chromosomal translocation specifically linked to Ewing sarcoma and primitive neuroectodermal tumor results in a chimeric molecule fusing the amino-terminus-encoding region of the EWS gene to the carboxyl-terminal DNA-binding domain encoded by the FLI-1 gene.
|
9488465 |
1998 |
Neuroectodermal Tumor, Primitive
|
0.400 |
Biomarker
|
disease |
BEFREE |
The EWS/FLI1 fusion gene found in Ewing's sarcoma and primitive neuroectodermal tumor, is able to transform certain cell lines by acting as an aberrant transcription factor.
|
9798675 |
1998 |