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Difference between revisions of "Chondro-osseous tumours"
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Chondro-osseous tumours (view source)
Revision as of 17:11, 11 November 2011
, 17:11, 11 November 2011→Ewing sarcoma
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===Molecular diagnostics=== | ===Molecular diagnostics=== | ||
Common features: | Common features: | ||
*''EWS/FLI-1 fusion gene'' formation due to translocation: ''t(11;22)(q24;q12)''.<ref>URL: [http://atlasgeneticsoncology.org/Tumors/Ewing5010.html http://atlasgeneticsoncology.org/Tumors/Ewing5010.html]. Accessed on: 23 February 2010.</ref><ref name=pmid3163261>{{cite journal |author=Turc-Carel C, Aurias A, Mugneret F, ''et al.'' |title=Chromosomes in Ewing's sarcoma. I. An evaluation of 85 cases of remarkable consistency of t(11;22)(q24;q12) |journal=Cancer Genet. Cytogenet. |volume=32 |issue=2 |pages=229–38 |year=1988 |month=June |pmid=3163261 |doi= |url=}}</ref> | *''EWS/FLI-1 fusion gene'' formation due to [[translocation]]: ''t(11;22)(q24;q12)''.<ref>URL: [http://atlasgeneticsoncology.org/Tumors/Ewing5010.html http://atlasgeneticsoncology.org/Tumors/Ewing5010.html]. Accessed on: 23 February 2010.</ref><ref name=pmid3163261>{{cite journal |author=Turc-Carel C, Aurias A, Mugneret F, ''et al.'' |title=Chromosomes in Ewing's sarcoma. I. An evaluation of 85 cases of remarkable consistency of t(11;22)(q24;q12) |journal=Cancer Genet. Cytogenet. |volume=32 |issue=2 |pages=229–38 |year=1988 |month=June |pmid=3163261 |doi= |url=}}</ref> | ||
**Often detected by RT-PCR (with EWS 5' and FLI-1 3' primers). | **Often detected by RT-PCR (with EWS 5' and FLI-1 3' primers). | ||
**Type 1 = EWS exon 7 + FLI-1 exon 6; good prognosis. | **Type 1 = EWS exon 7 + FLI-1 exon 6; good prognosis. | ||