Difference between revisions of "Small round cell tumours"
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*Alveolar rhabdomyosarcoma. | *Alveolar rhabdomyosarcoma. | ||
*[[Ewing sarcoma]]/PNET - this entity is dealt with in the ''[[bone]]'' article. | *[[Ewing sarcoma]]/PNET - this entity is dealt with in the ''[[bone]]'' article. | ||
*[[Lymphoma]] | *[[Lymphoma]] - large cell lymphomas, e.g. [[diffuse large B cell lymphoma]], anaplastic large cell lymphoma. | ||
*Retinoblastoma. | *Retinoblastoma. | ||
*Hepatoblastoma. | *Hepatoblastoma. | ||
Revision as of 13:16, 28 September 2010
Small round cell tumours (SRCT), also small round blue cell tumours (SRBCT), are a group of tumours that have a similar histologic appearance.
It is a group of tumours that is seen more often in childhood than adulthood.
DDx:[1]
- Neuroblastoma.
- Wilm's tumour.
- Alveolar rhabdomyosarcoma.
- Ewing sarcoma/PNET - this entity is dealt with in the bone article.
- Lymphoma - large cell lymphomas, e.g. diffuse large B cell lymphoma, anaplastic large cell lymphoma.
- Retinoblastoma.
- Hepatoblastoma.
- Desmoplastic small round cell tumour.
Microscopic
Features:
- Sheets of cells, very cellular.
- Small cells ~ 2X RBC diameter.
- Scant cytoplasm.
- Coarse chromatin.
- +/-Nucleolus. (???)
- +/-Vascular.
See also
References
- ↑ URL: http://www.thedoctorsdoctor.com/diseases/small_round_blue_cell_tumor.htm. Accessed on: 2 July 2010.