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Difference between revisions of "Small round cell tumours"
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*[[Neuroblastoma]]. | *[[Neuroblastoma]]. | ||
*[[Wilms tumour]] ([[AKA]] nephroblastoma). | *[[Wilms tumour]] ([[AKA]] nephroblastoma). | ||
* | *[[Alveolar rhabdomyosarcoma]]. | ||
*[[Ewing sarcoma]]/PNET - this entity is dealt with in the ''[[bone tumours]]'' article. | *[[Ewing sarcoma]]/PNET - this entity is dealt with in the ''[[bone tumours]]'' article. | ||
*[[Lymphoma]] - non-Hogkin's lymphoma, usu. large cell lymphomas (e.g. [[diffuse large B cell lymphoma]], anaplastic large cell lymphoma), Burkitt's lymphoma. | *[[Lymphoma]] - non-Hogkin's lymphoma, usu. large cell lymphomas (e.g. [[diffuse large B cell lymphoma]], anaplastic large cell lymphoma), Burkitt's lymphoma. | ||
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| | | | ||
|- | |- | ||
| Ewing sarcoma/PNET | | [[Ewing sarcoma]]/PNET | ||
| clear cytoplasm (glycogen) | | clear cytoplasm (glycogen) | ||
| bone lesion, adolescents | | bone lesion, adolescents | ||
| PAS+/PASD-, CD99 diffuse membranous | | PAS+/PASD-, CD99 diffuse membranous | ||
|- | |- | ||
| Alveolar rhabdomyosarcoma | | [[Alveolar rhabdomyosarcoma]] | ||
| rhabdomyocytes (eosinophilic cytoplasm +/-cross striations (uncommon), eccentric nucleus) | | rhabdomyocytes (eosinophilic cytoplasm +/-cross striations (uncommon), eccentric nucleus) | ||
| adolescents, young adults; often mets at presentation | | adolescents, young adults; often mets at presentation | ||
| "DAM" = desmin, actin, myogenin | | "DAM" = desmin, actin, myogenin | ||
|- | |- | ||
| Embryonal rhabdomyosarcoma | | [[Embryonal rhabdomyosarcoma]]<sup>§</sup> | ||
| rhabdomyocytes (elongated/cigar-shaped cells, eosinophilic cytoplasm +/-cross striations, eccentric nucleus), nests with rounded border | | rhabdomyocytes (elongated/cigar-shaped cells, eosinophilic cytoplasm +/-cross striations, eccentric nucleus), nests with rounded border | ||
| <10 years old; usu. localized | | <10 years old; usu. localized | ||
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|- | |- | ||
|} | |} | ||
Notes: | |||
*<sup>§</sup> Uncommonly has the small round cell tumour morphology - included for comparison to ''[[alveolar rhabdomyosarcoma]]''. | |||
==See also== | ==See also== | ||