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Difference between revisions of "Ewing sarcoma"
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m (+DDx, Ewing-like link) |
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| LMDDx = [[Ewing-like tumours]] (e.g. [[CIC-DUX sarcoma]]), [[small round cell tumours]] ([[lymphoma]], [[small cell osteosarcoma]], others) | | LMDDx = [[Ewing-like tumours]] (e.g. [[CIC-DUX sarcoma]]), [[small round cell tumours]] ([[lymphoma]], [[small cell osteosarcoma]], others) | ||
| Stains = [[PAS stain]] +ve, [[PASD stain]] -ve | | Stains = [[PAS stain]] +ve, [[PASD stain]] -ve | ||
| IHC = CD99 +ve, FLI-1 +ve, CD45 -ve | | IHC = [[CD99]] +ve, FLI-1 +ve, CD45 -ve | ||
| EM = | | EM = | ||
| Molecular = EWS [[Chromosomal translocations|translocation]], EWS/FLI-1 fusion gene in 90% of cases | | Molecular = EWS [[Chromosomal translocations|translocation]], EWS/FLI-1 fusion gene in 90% of cases | ||
| Line 102: | Line 102: | ||
Notes:<ref>PST. 22 February 2010.</ref> | Notes:<ref>PST. 22 February 2010.</ref> | ||
*CD99 +ve | *[[CD99]] +ve | ||
**Plasma membrane staining tumours: | **Plasma membrane staining tumours: | ||
***[[Lymphoblastic lymphoma]]/leukemia. | ***[[Lymphoblastic lymphoma]]/leukemia. | ||