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Difference between revisions of "Meningioma"
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*Extra-axial, intradural. | *Extra-axial, intradural. | ||
**Can be extradural - very rare.<ref name=upmc_case702>URL: [http://path.upmc.edu/cases/case702.html http://path.upmc.edu/cases/case702.html]. Accessed on: 2 February 2012.</ref> | **Can be extradural - very rare.<ref name=upmc_case702>URL: [http://path.upmc.edu/cases/case702.html http://path.upmc.edu/cases/case702.html]. Accessed on: 2 February 2012.</ref> | ||
* | *Dural tail sign (DTS) on MRI:<ref name=pmid22839655>{{Cite journal | last1 = Ikeda | first1 = D. | last2 = Chiocca | first2 = EA. | title = Editorial: dural tail sign. | journal = J Neurosurg | volume = 117 | issue = 4 | pages = 643-4 | month = Oct | year = 2012 | doi = 10.3171/2012.2.JNS12266 | PMID = 22839655 }}</ref><ref name=pmid25238986>{{Cite journal | last1 = Wen | first1 = M. | last2 = Jung | first2 = S. | last3 = Moon | first3 = KS. | last4 = Pei | first4 = J. | last5 = Lee | first5 = KH. | last6 = Jin | first6 = SG. | last7 = Li | first7 = SY. | last8 = Ryu | first8 = HH. | title = Immunohistochemical profile of the dural tail in intracranial meningiomas. | journal = Acta Neurochir (Wien) | volume = 156 | issue = 12 | pages = 2263-73 | month = Dec | year = 2014 | doi = 10.1007/s00701-014-2216-4 | PMID = 25238986 }}</ref> enhancement of dura adjacent to mass lesion. | ||
*May invade skull causing hyperostosis (no prognostic significance) | **May be subclassified radiologically - predictive of grading.<ref name=pmid22839654>{{Cite journal | last1 = Qi | first1 = ST. | last2 = Liu | first2 = Y. | last3 = Pan | first3 = J. | last4 = Chotai | first4 = S. | last5 = Fang | first5 = LX. | title = A radiopathological classification of dural tail sign of meningiomas. | journal = J Neurosurg | volume = 117 | issue = 4 | pages = 645-53 | month = Oct | year = 2012 | doi = 10.3171/2012.6.JNS111987 | PMID = 22839654 }}</ref> | ||
*May invade skull causing hyperostosis (no prognostic significance). | |||
==Microscopic== | ==Microscopic== | ||