Meningioma CT: Difference between revisions
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{{Meningioma}} | {{Meningioma}} | ||
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==Overview== | ==Overview== | ||
[[ | Head [[CT scan]] may be diagnostic of meningioma. Some of the findings on [[Computed tomography|CT scan]] suggestive of meningioma include edema, [[CSF]] attenuation [[cleft]], round/elongated extraaxial mass, and [[hyperostosis]] of the adjacent [[skull]]. Although [[Magnetic resonance imaging|MRI]] is the diagnostic study of choice, [[Computed tomography|CT]] is easier to use and may be used in cases where there is a contraindication to the use of an [[Magnetic resonance imaging|MRI]]. | ||
==CT Scan== | ==CT Scan== | ||
== | Head [[Computed tomography|CT scan]] may be helpful in the diagnosis of meningioma. Findings on [[Computed tomography|CT scan]] suggestive of/diagnostic of meningioma include:<ref name="pmid20809250">{{cite journal| author=Saloner D, Uzelac A, Hetts S, Martin A, Dillon W| title=Modern meningioma imaging techniques. | journal=J Neurooncol | year= 2010 | volume= 99 | issue= 3 | pages= 333-40 | pmid=20809250 | doi=10.1007/s11060-010-0367-6 | pmc=2945460 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20809250 }} </ref><ref name="pmid12087202">{{cite journal| author=Yu KB, Lim MK, Kim HJ, Suh CH, Park HC, Kim EY et al.| title=Clear-cell meningioma: CT and MR imaging findings in two cases involving the spinal canal and cerebellopontine angle. | journal=Korean J Radiol | year= 2002 | volume= 3 | issue= 2 | pages= 125-9 | pmid=12087202 | doi=10.3348/kjr.2002.3.2.125 | pmc=2713835 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12087202 }} </ref> | ||
*Round or elongated extraaxial [[mass]] | |||
*Mass with broad attachment to the [[dura]] | |||
*Isodense mass. Can often be hyperdense or slightly hypodense compared to the cerebrum | |||
*[[CSF]] attenuation [[cleft]] | |||
*[[Tumor]] intense enhancement | |||
*[[Homogeneous]] mass that can show [[Heterogeneous|heterogeneity]] depending on the presence of fat, calcium, or [[tumor]] [[necrosis]] | |||
*[[Hyperostosis]] of adjacent [[skull]] in [[benign]] meningiomas | |||
*[[Edema]] | |||
*Mixed solid and [[cystic]] mass in clear cell meningiomas | |||
Despite [[Magnetic resonance imaging|MRI]] being the imaging study of choice, [[Computed tomography|CT]] is more widely available, better in urgent settings, and used when patients have a contraindication to [[Magnetic resonance imaging|MRI]] usage such as [[Pacemakers and implantable defibrillators (patient information)|pacemakers]]. | |||
==Gallery== | |||
[[File:Atypical-meningioma-5.jpg|400px|thumb|left|CT scan showing atypical meningioma [https://radiopaedia.org/articles/meningioma?lang=us source:Case courtesy of Dr Bruno Di Muzio, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. ]]] | |||
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==References== | ==References== | ||
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Latest revision as of 14:37, 10 September 2019
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Meningioma CT On the Web |
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American Roentgen Ray Society Images of Meningioma CT |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Ifeoma Odukwe, M.D. [2] Haytham Allaham, M.D. [3]
Overview
Head CT scan may be diagnostic of meningioma. Some of the findings on CT scan suggestive of meningioma include edema, CSF attenuation cleft, round/elongated extraaxial mass, and hyperostosis of the adjacent skull. Although MRI is the diagnostic study of choice, CT is easier to use and may be used in cases where there is a contraindication to the use of an MRI.
CT Scan
Head CT scan may be helpful in the diagnosis of meningioma. Findings on CT scan suggestive of/diagnostic of meningioma include:[1][2]
- Round or elongated extraaxial mass
- Mass with broad attachment to the dura
- Isodense mass. Can often be hyperdense or slightly hypodense compared to the cerebrum
- CSF attenuation cleft
- Tumor intense enhancement
- Homogeneous mass that can show heterogeneity depending on the presence of fat, calcium, or tumor necrosis
- Hyperostosis of adjacent skull in benign meningiomas
- Edema
- Mixed solid and cystic mass in clear cell meningiomas
Despite MRI being the imaging study of choice, CT is more widely available, better in urgent settings, and used when patients have a contraindication to MRI usage such as pacemakers.
Gallery
References
- ↑ Saloner D, Uzelac A, Hetts S, Martin A, Dillon W (2010). "Modern meningioma imaging techniques". J Neurooncol. 99 (3): 333–40. doi:10.1007/s11060-010-0367-6. PMC 2945460. PMID 20809250.
- ↑ Yu KB, Lim MK, Kim HJ, Suh CH, Park HC, Kim EY; et al. (2002). "Clear-cell meningioma: CT and MR imaging findings in two cases involving the spinal canal and cerebellopontine angle". Korean J Radiol. 3 (2): 125–9. doi:10.3348/kjr.2002.3.2.125. PMC 2713835. PMID 12087202.