Difference between revisions of "Dysembryoplastic neuroepithelial tumour"
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'''Dysembryoplastic neuroepithelial tumour''', abbreviated '''DNT'', is a rare [[neuropathology tumour]] that is associated with [[epilepsy]]. | |||
==General== | |||
*Common tumour cause of drug resistant [[epilepsy]].<ref name=pmid15881751>{{Cite journal | last1 = Cataltepe | first1 = O. | last2 = Turanli | first2 = G. | last3 = Yalnizoglu | first3 = D. | last4 = Topçu | first4 = M. | last5 = Akalan | first5 = N. | title = Surgical management of temporal lobe tumor-related epilepsy in children. | journal = J Neurosurg | volume = 102 | issue = 3 Suppl | pages = 280-7 | month = Apr | year = 2005 | doi = 10.3171/ped.2005.102.3.0280 | PMID = 15881751 }}</ref> | |||
*Paediatric population. | |||
==Gross/radiology== | |||
*Temporal lobe. | |||
*Variable architecture:<ref name=pmid18071981/> cystic, solitary nodular, multinodular. | |||
==Microscopic== | |||
Features:<ref name=pmid18071981>{{Cite journal | last1 = O'Brien | first1 = DF. | last2 = Farrell | first2 = M. | last3 = Delanty | first3 = N. | last4 = Traunecker | first4 = H. | last5 = Perrin | first5 = R. | last6 = Smyth | first6 = MD. | last7 = Park | first7 = TS. | title = The Children's Cancer and Leukaemia Group guidelines for the diagnosis and management of dysembryoplastic neuroepithelial tumours. | journal = Br J Neurosurg | volume = 21 | issue = 6 | pages = 539-49 | month = Dec | year = 2007 | doi = 10.1080/02688690701594817 | PMID = 18071981 }}</ref> | |||
*Cells similar to oligodendrocytes: | |||
**Large central nuclei with indentations. | |||
**Multiple small nucleoli (common). | |||
**Clear cytoplasm. | |||
DDx: | |||
*[[Oligodendroglioma]]. | |||
**These have rounder, smaller nuclei with occasional nucleoli.<ref name=pmid18071981/> | |||
===Images=== | |||
<gallery> | |||
Image:DNET_HE.jpg | DNT (WC) | |||
</gallery> | |||
www: | |||
*[http://path.upmc.edu/cases/case106.html DNT - several images (upmc.edu)]. | |||
==See also== | |||
*[[Neuropathology tumours]]. | |||
==References== | |||
{{Reflist|1}} | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
[[Category:Neuropathology tumours]] | |||
Revision as of 07:04, 9 December 2014
'Dysembryoplastic neuroepithelial tumour, abbreviated DNT, is a rare neuropathology tumour that is associated with epilepsy.
General
Gross/radiology
- Temporal lobe.
- Variable architecture:[2] cystic, solitary nodular, multinodular.
Microscopic
Features:[2]
- Cells similar to oligodendrocytes:
- Large central nuclei with indentations.
- Multiple small nucleoli (common).
- Clear cytoplasm.
DDx:
- Oligodendroglioma.
- These have rounder, smaller nuclei with occasional nucleoli.[2]
Images
DNT (WC)
www:
See also
References
- ↑ Cataltepe, O.; Turanli, G.; Yalnizoglu, D.; Topçu, M.; Akalan, N. (Apr 2005). "Surgical management of temporal lobe tumor-related epilepsy in children.". J Neurosurg 102 (3 Suppl): 280-7. doi:10.3171/ped.2005.102.3.0280. PMID 15881751.
- ↑ 2.0 2.1 2.2 O'Brien, DF.; Farrell, M.; Delanty, N.; Traunecker, H.; Perrin, R.; Smyth, MD.; Park, TS. (Dec 2007). "The Children's Cancer and Leukaemia Group guidelines for the diagnosis and management of dysembryoplastic neuroepithelial tumours.". Br J Neurosurg 21 (6): 539-49. doi:10.1080/02688690701594817. PMID 18071981.