Difference between revisions of "Small round cell tumours"
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DDx:<ref>URL: [http://www.thedoctorsdoctor.com/diseases/small_round_blue_cell_tumor.htm http://www.thedoctorsdoctor.com/diseases/small_round_blue_cell_tumor.htm]. Accessed on: 2 July 2010.</ref> | DDx:<ref>URL: [http://www.thedoctorsdoctor.com/diseases/small_round_blue_cell_tumor.htm http://www.thedoctorsdoctor.com/diseases/small_round_blue_cell_tumor.htm]. Accessed on: 2 July 2010.</ref> | ||
*Neuroblastoma. | *Neuroblastoma. | ||
*Wilm's tumour. | *Wilm's tumour ([[AKA]] nephroblastoma). | ||
*Alveolar rhabdomyosarcoma. | *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. | ||
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*[[Retinoblastoma]]. | *[[Retinoblastoma]]. | ||
*[[Liver neoplasms|Hepatoblastoma]]. | *[[Liver neoplasms|Hepatoblastoma]]. | ||
*Desmoplastic small round cell tumour. | *Desmoplastic small round cell tumour (DSRCT). | ||
Memory device: 4 -blastoma (hepato-, neuro-, nephro-, retino-), PNET/Ewing sarcoma (medulloblastoma), DSRCT, lymphoma, alveolar rhabdomyosarcoma. | |||
==Microscopic== | ==Microscopic== | ||
Revision as of 04:59, 25 November 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 (AKA nephroblastoma).
- Alveolar rhabdomyosarcoma.
- Ewing sarcoma/PNET - this entity is dealt with in the bone tumours article.
- Lymphoma - large cell lymphomas, e.g. diffuse large B cell lymphoma, anaplastic large cell lymphoma.
- Retinoblastoma.
- Hepatoblastoma.
- Desmoplastic small round cell tumour (DSRCT).
Memory device: 4 -blastoma (hepato-, neuro-, nephro-, retino-), PNET/Ewing sarcoma (medulloblastoma), DSRCT, lymphoma, alveolar rhabdomyosarcoma.
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.